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Photography in Philately

A Krzysztof K. Słowiński Collection

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Item no. P629 (cover)

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Item no. P629 (cover)

Type: cover

Country: France

Date of use: 29 May 1933

Business stationery (cover) used by OPTICAL GLASS WORKS [Manufacture de Verre Optique] in Saverne (France), factory that supplied almost all European optical lens makers with special glass as semi-manufactured product.