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Photography in Philately

A Krzysztof K. Słowiński Collection

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Item no. 1A (cover)

Item_no._1a__cover_.jpg Item no. AP105a (ad postcard)Thumbnails Item no. P84 (postcard) Item no. AP105a (ad postcard)Thumbnails Item no. P84 (postcard) Item no. AP105a (ad postcard)Thumbnails Item no. P84 (postcard)

Item no. 1A (cover)

Type: cover

Country: Germany

Date of use: September 1994

Cancel honoring Johann Heinrich Schulze (1687 – 1744), German scientist who investigated the properties of silver salts and obtained silver-based (unfixed) images. The cancel was pressed on a special cover showing his portrait.