| Issuer | Tonga |
|---|---|
| Year | 1975 |
| Type | Non-circulating coin |
| Value | 20 Paʻanga |
| Currency | Pa`anga (1967-date) |
| Composition | Silver (.925) |
| Weight | 140 g |
| Diameter | 62 mm |
| Thickness | |
| Shape | Round |
| Technique | Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | Norman Sillman |
| In circulation to | |
| Reference(s) | KM#52 |
| Obverse description | Heads of various Monarchs |
|---|---|
| Obverse script | Latin |
| Obverse lettering | MONARCHS UNDER THE CONSTITUTION OF 1875 |
| Reverse description | National arms |
| Reverse script | Latin |
| Reverse lettering | CENTENARY OF THE CONSTITUTION OF TONGA 20 PA`ANGA TONGA 1875-1975 |
| Edge | Reeded |
| Mint | |
| Mintage | 1975 - - 1 170 1975 - Proof - 800 |
| Numisquare ID | 6620923310 |
| Comments |