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Item no. P2807 (cover)
Type: cover
Country: Great Britain
Date of use: 21 November 1905
Business stationery (cover) used by the company PHOTOCHROM Co. Ltd., in London (Great Britain), a division of the company PHOTOCHROM, producer of B/W and color postcards, that was based in Zurich (Switzerland). The company was established in 1895. It used a revolutionary process whereby black-and-white photographs were overprinted by multi-color lithography, with up to fourteen different ink colors being applied in sequence to produce what the company claimed was "natural color photography". It rapidly rivalled the existing black-and-white or stereo photographs but was then overtaken by tinted photographic postcards which were much cheaper to produce. The stamp used is a “perfin” i. e. stamp bearing small round holes punched to form pattern of an acronym of the company’s name PCL (for Photochrom Company Limited).
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