New bimetallic circulating commemorative:
“25th Anniversary of the admission of Grand Duke Henri as a member of the International Olympic Committee“
TECHNICAL DATA
External ring: copper-nickel
Center disc: nickel-brass, nickel and nickel-brass three layers
Diameter: 25.75 mm
Weight: 8.50 g
Thickness: 2.20 mm
(news by Jo hoogeveen)
(image from eBay seller Filosav)
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