Obverse
Head right
Lettering: ELIZABETH II D G REG F D 50 PENCE 2021 J C
Reverse
Lettering: CHARLES BABBAGE 2122175
Extended information
Year
Denomination
Currency
Metal
Ruler
Weight
15.5 g.
Diameter
27.3
mm.
Alignment
Medal ↑↑
Shape
7-sided
Edge
Plain