General

WCDB ID
307
Country
Flag: United Kingdom of Great Britain and Northern Ireland United Kingdom
Denomination
50 pence
Value
1⁄2 Pound sterling (GBP)
Dates
AD2008 - 2015

Physical

Shape
Reuleaux heptagon (7 curved sides), rotated π⁄7 radians
Mass
8.00 g
Diameter
27.30 mm
Thickness
1.78 mm
Composition
75% Cu, 25% Ni
Color
Gray / Black / Silver Gray / Black / Silver
Magnetic
No

Design

Orientation
Medallic: ↑ ↑
Edge
Plain/smooth
Tags
Crown / Coronet / Diadem / Tiara Ian Rank-Broadley Portrait of 70-Year-Old Elizabeth II Lion Harp / Lyre

References

Wikipedia
Fifty pence (British coin)
Krause-Mischler
KM# 1112
Numista
N# 5629