THIS IS GREAT BRITAIN 2013 2 POUNDS LONDON UNDERGROUND 150th ANNIV 2 COINS COIN COVER

Composition     Bimetallic: copper-nickel center in nickel brass ring
Weight     12 g
Diameter     28.4 mm
Thickness     2.5 mm
Shape     Round
Technique     Milled
Orientation     Medal alignment ↑↑
References     KM# 1239, KM# 1240

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