Date of use : 1966 Germany

Business Letter to Farb-Foto Fritz Güll, Germany

This envelope represents a commercial postal item documenting the expansion of photographic laboratories and color photo processing services in Germany during the second half of the twentieth century. The printed heading on the envelope identifies the receiving company as Farb-Foto Fritz Güll KG. Directly beneath the company name appears the phrase "Die autorisierte Agfacolor-Anstalt," indicating that the business was an authorized laboratory for the Agfacolor system developed by Agfa. Authorized laboratories of this type played an important role in the professional processing of color films and prints, particularly after the widespread adoption of color photography from the 1950s onward.

The address printed on the envelope reads 6900 Heidelberg 1 – Postfach 540. This format reflects the four-digit postal code system used in West Germany from the 1960s until the early 1990s. Heidelberg, located in the federal state of Baden-Württemberg, is widely known as a historic academic and cultural center. In addition to its university and cultural institutions, the city also hosted numerous commercial photographic laboratories that provided film development and printing services for both professional photographers and amateur users.

The sender section contains a stamp reading Gertrud Janka – Ludwigshafen/Rh. – Saarlandstraße 63 – Ecke Industriestraße – Telefon 571461. This marking suggests that the envelope was mailed by a private individual or business located in Ludwigshafen. Ludwigshafen is one of Germany's major industrial cities and is particularly known for its chemical industry. It is therefore plausible that the sender mailed photographic films or printing materials to the Heidelberg laboratory for professional processing. During this period it was common for photographers and amateur users to send exposed color films to specialized laboratories by mail.

Within the technological context of photography, the Agfacolor system represented one of the most significant color film and printing technologies developed in Germany. Agfa achieved major advances in color film technology during the 1930s and later expanded its product and laboratory network under the Agfacolor brand in the postwar period. Authorized Agfacolor laboratories performed film processing, color printing, and slide development using standardized chemical procedures. The phrase "authorized Agfacolor laboratory" therefore indicates that the company operated within this official processing network.

This item is documented as part of the Photography in Postal History research project.
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