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1 Dollar - Elizabeth II 4th Portrait - Opal Koala
| Issuer | Australia |
| Year | 2012 |
| Type | Non-circulating coin |
| Value | 1 Dollar |
| Currency | Dollar (1966-date) |
| Composition | Silver (.999) (with opal) |
| Weight | 31.1035 g |
| Dimensions | 36.6 mm |
| Thickness | 4.5 mm |
| Shape and Technique | Round
Milled, Coloured |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#1705 |
| 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
1 DOLLAR
IRB |
| Reverse description | Koala in a gum tree detailed in an opal at center. |
| Reverse script | Latin |
| Reverse lettering | 2012 1 oz 999 SILVER
P
KOALA |
| Edge | Reeded |
| Mint | P
Perth Mint, Australia(1899-date) |
| Mintage | 2012 P - Proof - 8 000
|
| Catalog ID | 8663932870 |
| Comments | |
