01 / 01100 Kčs 1990 - 1. máj 1890, PROOF — image 1 of 12x1x01 / 01 Specifications Metal Stříbro Fineness 500/1000 Weight 13 g Diameter 31 mm Face value 100 Kčs Year of issue 1990 Finish PROOF Issuer Československo Designer Vladimír Oppl Country of origin Československo Etue Ano