United Kingdom - 50 Pence - Weight 8,0 gr - Copper / Nickel - Size 27,3 mm - Thickness 1,78 mm - Note : 7-Sided - Ruler / Elizabeth II (1952-) - Designer Obverse / Ian Rank-Broadley FRBS - Designer Reverse / Matthew Dent - Mintage 22 747 000 - Edge : Plain - Reference KM# 1112 (2008)