| Issuer | Australia |
| Year | 1966-1984 |
| Type | Standard circulation coin |
| Value | 20 Cents |
| Currency | Dollar (1966-date) |
| Composition | Copper-nickel (75% Copper, 25% Nickel) |
| Weight | 11.31 g |
| Dimensions | 28.52 mm |
| Thickness | 2 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#66, Schön#53 |
| Obverse description | 2nd portrait of Queen Elizabeth II facing right wearing the Girls of Great Britain and Ireland Tiara |
| Obverse script | Latin |
| Obverse lettering | ELIZABETH II AUSTRALIA 1979 |
| Reverse description | Platypus (Ornithorhynchus anatinus) and the numeral `20` |
| Reverse script | Latin |
| Reverse lettering | 20 SD |
| Edge | Reeded |
| Mint | Royal Australian Mint, Canberra,Australia (1965-date) Royal Canadian Mint of Winnipeg,Canada (1976-date) Royal Mint (Tower Hill), London,United Kingdom (1810-1975) Royal Mint, Llantrisant, United Kingdom (1968-date) |
| Mintage | 1966 - BU Twelve Coin Set; Hendo - 1966 - BU Year Set; Blue Card - 77 250 1966 - BU Year Set; Blue Vinyl Wallet - 15 809 1966 - BU Year Set; Operation Fastbuck Wallet - 70 1966 - BU Year Set; Reserve Bank Coloured Wallet - 12 260 1966 - BU Year Set; VIP Presentation Wallet - 520 1966 - Circulation - Canberra Mint - Gap between water swirl and platypus head - 28 223 000 1966 - Circulation - London Mint - Small or no gap between water swirl and platypus head - 30 000 000 1966 - Circulation - London Mint - Wavy 2 - 1966 - Proof Year Set; Open - 18 054 1966 - Proof Year Set; Sealed - 12 1967 - Circulation - 83 848 000 1968 - Circulation - 40 537 000 1969 - BU Year Set; Blue Wallet - 14 351 1969 - BU Year Set; Red Wallet - 16 825 1969 - Circulation - 16 520 000 1969 - Proof Year Set - 13 056 1970 - BU Year Set - 40 230 1970 - Circulation - 23 721 000 1970 - Proof Year Set - 15 368 1971 - BU Year Set - 28 572 1971 - Circulation - 8 947 000 1971 - Proof Year Set - 10 066 1972 - BU Year Set - 39 065 1972 - Circulation - 16 643 000 1972 - Proof Year Set - 10 272 1973 - BU Year Set - 30 928 1973 - Circulation - 23 356 000 1973 - Proof Year Set - 10 090 1974 - BU Year Set - 25 475 1974 - Circulation - 33 548 000 1974 - Proof Year Set - 10 918 1975 - BU Year Set - 30 121 1975 - Circulation - 53 300 000 1975 - Proof Year Set - 23 021 1976 - BU Year Set - 40 004 1976 - Circulation - 59 774 000 1976 - Proof Year Set - 21 200 1977 - BU Year Set - 128 010 1977 - Circulation - 41 272 000 1977 - Proof Year Set - 55 006 1978 - BU Year Set - 70 006 1978 - Circulation - 37 432 000 1978 - Mule - Australia Obverse - Fiji Reverse; see comments - 1 1978 - Proof Year Set - 38 519 1979 - BU Year Set - 70 006 1979 - Circulation - 22 300 000 1979 - Proof Year Set - 36 006 1980 - BU Year Set - 100 000 1980 - Circulation - 84 357 000 1980 - Proof Year Set - 68 000 1981 - BU Year Set - 120 000 1981 - Circulation - Canberra Mint - 65 280 000 1981 - Circulation - Wales Mint - 65 503 000 1981 - Circulation - Winnipeg Mint; Short left claw - 50 000 000 1981 - Proof Year Set - 86 100 1981 - Struck on a Hong Kong 2 Dollar planchet - 6 1982 - BU Year Set - 195 950 1982 - Circulation - 76 604 000 1982 - Proof Year Set - 100 000 1983 - BU Year Set - 155 700 1983 - Circulation (Melted Down) - 55 113 000 1983 - Proof Year Set - 80 000 1984 - BU Year Set - 150 014 1984 - Meant for Circulation (But melted down) - 27 820 000 1984 - Proof Year Set - 61 000 |
| Catalog ID | 6150792010 |
| Comments |
