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THIS IS AUSTRALIA 1997 B 1 DOLLAR, Sir Charles Kingsford Smith - AVIATOR, UNC COIN COVER. Torn plastic

Composition     Aluminium bronze (92% Copper, 6% Aluminium, 2% Nickel)
Weight     9 g
Diameter     25 mm
Thickness     2.5 mm
Shape     Round
Technique     Milled
Orientation     Medal alignment ↑↑
References     KM# 327, Schön# 34

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