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Item no. P810 (cover)
Type: cover
Country: Algeria
Date of use: 23 May 1938
Business stationery (cover) used by the optical and fine mechanics workshop MARCEL KIENER Optique et Mécanique de Précision in Alger (Algeria). The cachet shows uncovered mechanism of a Compur-type camera leaf shutter.
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- Thursday 10 April 2014
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