| Country | UK |
| Year | 1966 |
| Denomination | 3d |
| Composition | Nickel-brass |
| Weight | 6.800g |
| Diameter | 21.0mm |
| Obverse artist | Mary Gillick |
| Demonetised | 1971 |
| Grade scale | UK grading (EF/UNC) |
Laureate bust of Elizabeth II right
Crowned portcullis, THREE PENCE
UK · 1966
Elizabeth II twelve-sided threepence, 1966. Demonetized 1971.