{"id":"F2008B00091","name":"Currency Determination No. 1 of 1993","slug":"currency-determination-no-1-of-1993","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":72353,"registerId":"commonwealth-F2008B00091-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Currency Determination No. 1 of 1993","content":"Commonwealth of Australia\n\nCurrency Act 1965\n\nCurrency Determination No. 1 of 1993\n\nI, ROBERT FRANCIS MCMULLAN, Parliamentary Secretary to the Treasurer, make the following Determination under the Currency Act 1965.\n\nDated 16 February 1993.\n\n![](image.001.png)\n\nParliamentary Secretary to the Treasurer for and on behalf of the Treasurer\n\n![](image.002.png)Citation\n\n1. This Determination may be cited as Currency Determination No. 1 of 1993.\n\n\\[NOTE: This Determination commences on gazettal: see Acts Interpretation Act 1901, ss. 46A and 48.\\]\n\nInterpretation\n\n2. In this Determination:\n\n“1 dollar kookaburra coin” means a coin of the denomination of $1 whose:\n\n(a) composition is not less than 99.9% silver; and\n\n(b) standard weight is specified in clause 3: and\n\n(c) dimensions are specified in clause 4; and\n\n(d) design is specified in clause 5;\n\n“5 dollar macropod marsupial coin” means a coin of the denomination of $5 whose:\n\n(a) composition is not less that 99.99% gold; and\n\n(b) standard weight is specified in clause 6; and\n\n(c) dimensions are specified in clause 7; and\n\n(d) design is specified in clause 8;\n\n“15 dollar macropod marsupial coin” means a coin of the denomination of $15 whose:\n\n(a) composition is not less that 99.99% gold; and\n\n(b) standard weight is specified in clause 9: and\n\n(c) dimensions are specified in clause 10; and\n\n(d) design is specified in clause 11;\n\n“25 dollar koala coin” means a coin of the denomination of $25 whose:\n\n(a) composition is not less that 99.95% platinum; and\n\n(b) standard weight is specified in clause 12; and\n\n(c) dimensions are specified in clause 13; and\n\n(d) design is specified in clause 14;\n\n“25 dollar macropod marsupial coin” means a coin of the denomination of $25 whose:\n\n(a) composition is not less that 99.99% gold; and\n\n(b) standard weight is specified in clause 15; and\n\n(c) dimensions are specified in clause 16; and\n\n(d) design is specified in clause 17;\n\n“50 dollar macropod marsupial coin” means a coin of the denomination of $50 whose:\n\n(a) composition is not less that 99.99% gold; and\n\n(b) standard weight is specified in clause 18: and\n\n(c) dimensions are specified in clause 19; and\n\n(d) design is specified in clause 20;\n\n“100 dollar macropod marsupial coin” means a coin of the denomination of $100 whose:\n\n(a) composition is not less that 99.99% gold; and\n\n(b) standard weight is specified in clause 21; and\n\n(c) dimensions are specified in clause 22; and\n\n(d) design is specified in clause 23;\n\n“Act” means the Currency Act 1965.\n\nStandard weight of 1 dollar kookaburra coin\n\n3. (1) The standard weight of the 1 dollar kookaburra coin is 31.635 grams.\n\n(2) A variation of 0.500 grams from the standard weight is allowable.\n\nDimensions of 1 dollar kookaburra coin\n\n4. (1) The diameter of the 1 dollar kookaburra coin is 40.60 millimetres.\n\n(2) The thickness of the coin is 4.00 millimetres.\n\nDesign of the 1 dollar kookaburra coin\n\n5. (1) The shape of the 1 dollar kookaburra coin is circular.\n\n(2) The edge of the coin is milled.\n\n(3) The obverse of the coin bears an effigy of the Queen and the inscriptions “ELIZABETH II AUSTRALIA” and “1 DOLLAR”, all encircled by raised beads inside the rim of the coin.\n\n(4) The reverse of the coin bears:\n\n(a) the representation of a kookaburra perched on a branch with a lizard in its beak; and\n\n(b) the inscription “THE AUSTRALIAN KOOKABURRA 1 OZ 999 SILVER”; and\n\n(c) the inscription in figures of a year; and\n\n(d) a small eagle motif;\n\nall encircled by raised beads inside the rim of the coin.\n\nStandard weight of the 5 dollar macropod marsupial coin\n\n6. (1) The standard weight of the 5 dollar macropod marsupial coin is 1.571 grams.\n\n(2) A variation of 0.015 grams from the standard weight is allowable.\n\nDimensions of the 5 dollar macropod marsupial coin\n\n7. (1) The diameter of the 5 dollar macropod marsupial coin is 14.1 millimetres.\n\n(2) The thickness of the coin is 1.4 millimetres.\n\nDesign of the 5 dollar macropod marsupial coin\n\n8. (1) The shape of the 5 dollar macropod marsupial coin is circular.\n\n(2) The edge of the coin is milled.\n\n(3) The obverse of the coin bears an effigy of the Queen and the inscriptions “ELIZABETH II AUSTRALIA” and “5 DOLLARS”, all encircled by raised beads inside the rim of the coin.\n\n(4) The reverse of the coin bears:\n\n(a) an inscription of the name of a species of macropod marsupial, and a representation of an animal of the species, superimposed on a sunburst design; and\n\n(b) the inscription “THE AUSTRALIAN NUGGET ![](image.003.png) OZ 9999 GOLD”; and\n\n(c) the inscription in figures of a year; and\n\n(d) a small eagle motif;\n\nall encircled by raised beads inside the rim of the coin.\n\nStandard weight of the 15 dollar macropod marsupial coin\n\n9\\. (1) The standard weight of the 15 dollar macropod marsupial coin is 3.133 grams.\n\n(2) A variation of 0.022 grams from the standard weight is allowable.\n\nDimensions of the 15 dollar macropod marsupial coin\n\n10. (1) The diameter of the 15 dollar macropod marsupial coin is 16.10 millimetres.\n\n(2) The thickness of the coin is 1.50 millimetres.\n\nDesign of the 15 dollar macropod marsupial coin\n\n11. (1) The shape of the 5 dollar macropod marsupial coin is circular.\n\n(2) The edge of the coin is milled.\n\n(3) The obverse of the coin bears an effigy of the Queen and the inscriptions “ELIZABETH II AUSTRALIA” and “15 DOLLARS”, all encircled by raised beads inside the rim of the coin.\n\n(4) The reverse of the coin bears:\n\n(a) an inscription of the name of a species of macropod marsupial, and a representation of an animal of the species, superimposed on a sunburst design; and\n\n(b) the inscription “THE AUSTRALIAN NUGGET ![](image.004.png) OZ 9999 GOLD”; and\n\n(c) the inscription in figures of a year; and\n\n(d) a small eagle motif;\n\nall encircled by raised beads inside the rim of the coin.\n\nStandard weight of 25 dollar koala coin\n\n12. (1) The standard weight of the 25 dollar koala coin is 7.815 grams.\n\n(2) A variation of 0.035 grams from the standard weight is allowable.\n\nDimensions of 25 dollar koala coin\n\n13. (1) The diameter of the 25 dollar koala coin is 20.10 millimetres.\n\n(2) The thickness of the coin is 1.90 millimetres.\n\nDesign of the 25 dollar koala coin\n\n14. (1) The shape of the 25 dollar koala coin is circular.\n\n(2) The edge of the coin is milled.\n\n(3) The obverse of the coin bears an effigy of the Queen and the inscriptions “ELIZABETH II AUSTRALIA” and “25 DOLLARS”, all encircled by raised beads inside the rim of the coin.\n\n(4) The reverse of the coin bears:\n\n(a) a representation of an adult koala holding on to a branch of a tree; and\n\n(b) the inscription “THE AUSTRALIAN KOALA ¼ OZ 9995 PLATINUM”; and\n\n(c) the inscription in figures of a year; and\n\n(d) a small eagle motif;\n\nall encircled by raised beads inside the rim of the coin.\n\nStandard weight of 25 dollar macropod marsupial coin\n\n15. (1) The standard weight of the 25 dollar macropod marsupial coin is 7.807 grams.\n\n(2) A variation of 0.030 grams from the standard weight is allowable.\n\nDimensions of 25 dollar macropod marsupial coin\n\n16. (1) The diameter of the 25 dollar macropod marsupial coin is 20.10 millimetres.\n\n(2) The thickness of the coin is 2.00 millimetres.\n\nDesign of the 25 dollar macropod marsupial coin\n\n17. (1) The shape of the 25 dollar macropod marsupial coin is circular.\n\n(2) The edge of the coin is milled.\n\n(3) The obverse of the coin bears an effigy of the Queen and the inscriptions “ELIZABETH II AUSTRALIA” and “25 DOLLARS”, all encircled by raised beads inside the rim of the coin.\n\n(4) The reverse of the coin bears:\n\n(a) an inscription of the name of a species of macropod marsupial, and a representation of an animal of the species, superimposed on a sunburst design; and\n\n(b) the inscription “THE AUSTRALIAN NUGGET ¼ OZ 9999 GOLD”; and\n\n(c) the inscription in figures of a year; and\n\n(d) a small eagle motif;\n\nall encircled by raised beads inside the rim of the coin.\n\nStandard weight of the 50 dollar macropod marsupial coin\n\n18. (1) The standard weight of the 50 dollar macropod marsupial coin is 15.594 grams.\n\n(2) A variation of 0.040 grams from the standard weight is allowable.\n\nDimensions of the 50 dollar macropod marsupial coin\n\n19. (1) The diameter of the 50 dollar macropod marsupial coin is 25.10 millimetres.\n\n(2) The thickness of the coin is 2.40 millimetres.\n\nDesign of the 50 dollar macropod marsupial coin\n\n20. (1) The shape of the 50 dollar macropod marsupial coin is circular.\n\n(2) The edge of the coin is milled.\n\n(3) The obverse of the coin bears an effigy of the Queen and the inscriptions “ELIZABETH II AUSTRALIA” and “50 DOLLARS”, all encircled by raised beads inside the rim of the coin.\n\n(4) The reverse of the coin bears:\n\n(a) an inscription of the name of a species of macropod marsupial, and a representation of an animal of the species, superimposed on a sunburst design; and\n\n(b) the inscription “THE AUSTRALIAN NUGGET ½ OZ 9999 GOLD”; and\n\n(c) the inscription in figures of a year; and\n\n(d) a small eagle motif;\n\nall encircled by raised beads inside the rim of the coin.\n\nStandard weight of the 100 dollar macropod marsupial coin\n\n21. (1) The standard weight of the 100 dollar macropod marsupial coin is 31.162 grams.\n\n(2) A variation of 0.055 grams from the standard weight is allowable.\n\nDimensions of the 100 dollar macropod marsupial coin\n\n22. (1) The diameter of the 100 dollar macropod marsupial coin is 32.10 millimetres.\n\n(2) The thickness of the coin is 2.80 millimetres.\n\nDesign of the 100 dollar macropod marsupial coin\n\n23. (1) The shape of the 100 dollar macropod marsupial coin is circular.\n\n(2) The edge of the coin is milled.\n\n(3) The obverse of the coin bears an effigy of the Queen and the inscriptions “ELIZABETH II AUSTRALIA” and “100 DOLLARS”, all encircled by raised beads inside the rim of the coin.\n\n(4) The reverse of the coin bears:\n\n(a) an inscription of the name of a species of macropod marsupial, and a representation of an animal of the species, superimposed on a sunburst design; and\n\n(b) the inscription “THE AUSTRALIAN NUGGET 1 OZ 9999 GOLD”; and\n\n(c) the inscription in figures of a year; and\n\n(d) a small eagle motif;\n\nall encircled by raised beads inside the rim of the coin.\n\nAmendment of Currency Determination No. 9 of 1992\n\n24. Clause 2 of Currency Determination No. 9 of 1992 is amended by omitting from paragraph (4) (b) the words “ELIZABETH II” and substituting “ELIZABETH II AUSTRALIA”.\n\n9300618","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"This Determination expands and specifies the set of prescribed bullion coins by fixing composition, standard weights, dimensions and designs for multiple new coin denominations (clauses 2–23) and amends clause 2 of Currency Determination No. 9 of 1992 to alter the obverse inscription (clause 24), thereby changing the earlier instrument’s scope."},"complexity_factors":["Technical specifications across multiple coin types and denominations (clauses 3–23)","Precise tolerances for weight and dimensions for each coin (many clauses)","Detailed design requirements (obverse/reverse legends, motifs, edge milling) increasing production compliance checks","Separate composition purity requirements for silver, gold and platinum per coin type (Interpretation and clause groupings)","A single narrow textual amendment to a prior determination (clause 24) increases cross-referencing needs"],"plain_english_summary":"**This Determination prescribes exact metal purity, standard weights, dimensions and designs for a set of Australian bullion coins (the $1 Kookaburra; $5, $15, $25 Koala/Macropod variants; $50 and $100 Macropod) and amends an earlier determination’s obverse inscription.** It operates under the Currency Act 1965 and was made by the Parliamentary Secretary to the Treasurer. It binds the Mint/issuer to meet specified tolerances (weights, diameters, thickness, edges and legends); producers bear compliance and production costs, while holders and traders bear market valuation risk tied to metal content."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The legislation remains tightly focused on its original purpose: establishing technical specifications for specific commemorative coins. The scope has not expanded beyond this narrow administrative function."},"complexity_factors":["Highly repetitive structure — 7 coin types each with nearly identical clause patterns (weight, dimensions, design)","Only 9 defined terms, all straightforward physical descriptions","No conditional logic, exceptions, or cross-references to other legislation beyond the parent Act","Single amendment provision (clause 24) making a simple textual substitution","Purely technical/specification content with no discretionary powers or legal tests"],"plain_english_summary":"This instrument prescribes the official specifications for seven 1993 Australian commemorative coins — a silver $1 Kookaburra, gold $5/$15/$25/$50/$100 Macropod Marsupials, and a platinum $25 Koala — setting their weight, dimensions, metal purity and designs so they qualify as legal Australian currency.\n\nIt gives the Royal Australian Mint legal authority under the Currency Act 1965 to issue these coins and corrects a prior 1992 wording error to read \"ELIZABETH II AUSTRALIA.\""},"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"}},"importantCases":[],"_links":{"self":"/api/acts/currency-determination-no-1-of-1993","history":"/api/acts/currency-determination-no-1-of-1993/history","analysis":"/api/acts/currency-determination-no-1-of-1993/analysis","conflicts":"/api/acts/currency-determination-no-1-of-1993/conflicts","importantCases":"/api/acts/currency-determination-no-1-of-1993/important-cases","documents":"/api/acts/currency-determination-no-1-of-1993/documents"}}