| Issuer | Australia |
| Year | 1921 |
| Type | Pattern |
| Value | 1/2 Penny (1⁄480) |
| Currency | Pound (1788-1966) |
| Composition | Copper-nickel |
| Weight | 1.91 g |
| Dimensions | |
| Thickness | 1.5 mm |
| Shape and Technique | Square with rounded corners Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | Douglas Richardson |
| In circulation to | |
| Reference(s) | KM#Pn19 |
| Obverse description | Uncrowned head of King George facing left; circle legend with date below and an ornamental stop before and after the date |
| Obverse script | Latin |
| Obverse lettering | GEORGIVS V D.G.BRITT:OMN:REX
1921 (Translation: George V by the Grace of God, King of all the British territories) |
| Reverse description | Kookaburra of inferior design as a result of being spoilt by the reducing machine. Bird perched on a long thin section of a tree branch |
| Reverse script | Latin |
| Reverse lettering | AUSTRALIA HALFPENNY |
| Edge | Plain |
| Mint | |
| Mintage | 1921 - Pattern - |
| Catalog ID | 2654370870 |
| Comments |
