| Issuer | Australia |
| Year | 1969-1984 |
| Type | Standard circulation coin |
| Value | 50 Cents |
| Currency | Dollar (1966-date) |
| Composition | Copper-nickel (75% Copper, 25% Nickel) |
| Weight | 15.55 g |
| Dimensions | 31.51 mm |
| Thickness | 3 mm |
| Shape and Technique | Dodecagonal (12-sided) Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#68, Schön#55 |
| 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 1971 |
| Reverse description | Australia coat of arms (the escutcheon is carried by a red kangaroo (Macropus rufus) and an Emu (Dromaius novaehollandiae)) and the numeral `50`. Designer`s mark `SD` below. |
| Reverse script | Latin |
| Reverse lettering | 50 SD |
| Edge | 12 Sided Smooth |
| Mint | |
| Mintage | 1969 - BU Year Set; Blue Wallet - 14 351 1969 - BU Year Set; Red Wallet - 16 285 1969 - Circulation - 14 015 000 1969 - Proof Year Set - 13 056 1969 - Specimen in Yarralumla PNC - 2 000 1971 - BU Year Set - 28 572 1971 - Circulation - 21 056 000 1971 - Proof Year Set - 10 066 1972 - BU Year Set - 39 065 1972 - Circulation - 5 586 000 1972 - Proof Year Set - 10 272 1973 - BU Year Set - 30 928 1973 - Circulation - 4 009 000 1973 - Proof Year Set - 10 090 1974 - BU Year Set - 25 475 1974 - Circulation - 8 962 000 1974 - Proof Year Set - 10 918 1975 - BU Year Set - 30 121 1975 - Circulation - 19 064 800 1975 - Proof Year Set - 23 021 1976 - BU Year Set - 40 004 1976 - Circulation - 27 280 000 1976 - Proof Year Set - 21 200 1977 - Error - Double Obverse - 2 1977 - Mule - 7 known to exist (See comments) - 7 1978 - BU Year Set - 70 006 1978 - Circulation - 25 765 000 1978 - Proof Year Set - 38 519 1979 - BU Year Set - 70 006 1979 - Circulation (see comments) - 24 886 000 1979 - Double Bar Variety (Mintage inc in normal variety) - 1979 - Proof Year Set - 36 006 1980 - BU Year Set - 100 000 1980 - Circulation (see comments) - 38 681 000 1980 - Double Bar Variety (Mintage inc in normal variety) - 1980 - Proof Year Set - 68 000 1981 - BU Year Set - 120 000 1981 - Circulation - 24 168 000 1981 - Proof Year Set - 86 100 1983 - BU Year Set - 155 700 1983 - Circulation - 48 923 000 1983 - Proof Year Set - 80 000 1984 - BU Year Set - 150 014 1984 - Circulation - 26 281 000 1984 - Proof Year Set - 61 000 |
| Catalog ID | 6680179000 |
| Comments |
