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Photography in Philately

A Krzysztof K. Słowiński Collection

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Item no. P1461 (cover)

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Item no. P1461 (cover)

Type: cover

Country: USA

Date of use: 14 October 1992

Cover with stamps honoring CHESTER CARLSON (1906 – 1968), American physicist, inventor of dry copying process electrophotography, later called xerography.