| Issuer | Australia |
| Year | 1999 |
| Type | Circulating commemorative coin |
| Value | 1 Dollar |
| Currency | Dollar (1966-date) |
| Composition | Aluminium bronze (92% Copper, 6% Aluminium, 2% Nickel) |
| Weight | 9 g |
| Dimensions | 25 mm |
| Thickness | 2.5 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#405, Schön#423 |
| Obverse description | 4th portrait of Queen Elizabeth II facing right wearing the Girls of Great Britain and Ireland Tiara |
| Obverse script | Latin |
| Obverse lettering | ELIZABETH II AUSTRALIA 1999 IRB |
| Reverse description | Stylised swirling logo of the United Nations symbol for the IYOP 1999 on crossed branches |
| Reverse script | Latin |
| Reverse lettering | towards a society for all ages Australia 1999 1 DOLLAR International Year of Older Persons |
| Edge | 7 shorter smooth segments between 7 reeded segments (11 grooves |
| Mint | |
| Mintage | 1999 - BU Baby Koala Set - 35 719 1999 - BU Dual Pack with ANZAC 1999 Coin - 33 922 1999 - BU in PNC - 56 065 1999 - BU Year Set - 70 067 1999 - Circulation - 29 218 000 1999 - Proof Baby Koala Set - 6 707 1999 - Proof Year Set - 28 056 |
| Catalog ID | 2213599080 |
| Comments |
