B-4/88b. Commemorative medal (1975)

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Specifications
Article: B-4/88b
Type: Commemorative medal
Year: 1975
Country: Switzerland
Designer: ANDEREGG Franz
Metal: Silver
Purity: .999,5
Diameter: 33,0 mm
Weight: 15 g
Circulation: 500

Reference: Niggl #2381b