Date of use : 18 September 1925, Switzerland

Photo-Metro Switzerland Business Postcard

This postcard represents a piece of commercial correspondence associated with the firm "Eigenmann Photo-Metro," located in the Swiss city of St. Gallen. The front of the card bears the printed name of the company and the place of origin, while the address section indicates that the item was sent to Alois Kraus in the town of Schwabmünchen in Bavaria, Germany. The message written on the reverse side contains a date indicating that the document was prepared on 18 September 1925. The postcard provides an interesting example of how technical accessories used in photography were obtained through international commercial networks.

The sender of the card, Eigenmann Photo-Metro, was likely a commercial business specializing in photographic equipment and photographic laboratory supplies. During the early twentieth century the growing popularity of photography in Europe led to the emergence of specialized shops and suppliers dedicated to photographic technology. These businesses typically sold cameras, lenses, darkroom equipment, and photographic printing materials. In addition, they supplied a wide range of accessories required by professional studios and amateur photographers.

The recipient of the postcard, Alois Kraus, operated a "Federklammer-Fabrik" in Schwabmünchen, which indicates a factory producing metal springs or clips. The text written on the card shows that the sender requested samples of products described as "Copier- & Filmklammern." These items were most likely small metal clips used in photographic processing or printing procedures. In darkroom work various types of metal clamps were commonly employed to hold photographic paper or film strips in place. For this reason it is reasonable to interpret these products as technical accessories used in photographic laboratories.

This correspondence illustrates that the photographic industry was not limited to optical manufacturing or chemical production. It also depended on a wide range of mechanical components and accessories produced by other industrial sectors. The use of metal clamps, holders, and similar tools demonstrates how photography relied on a broader network of suppliers working in different branches of manufacturing.

From a postal history perspective the card bears a Swiss postage stamp and a postal cancellation associated with the city of St. Gallen. During the early twentieth century St. Gallen was an important commercial center within Switzerland, known for its active economic and industrial environment. Businesses involved in photographic equipment trade were therefore likely to operate in such urban commercial centers.

The printed letterhead design on the postcard also reflects the increasing importance of corporate identity in commercial correspondence. The company name and location appear in printed form at the top of the card, allowing the sender to be easily recognized. Letterhead postcards of this type were commonly used by small and medium-sized businesses in the early twentieth century. The postcard format offered a relatively inexpensive and efficient means of communication for routine commercial inquiries.

From a philatelic perspective the postcard may be placed within several collecting categories. It can be considered part of Swiss postal history while also belonging to the category of commercial ephemera related to the photographic industry. Moreover, because it documents the trade of technical accessories used in photographic work, it provides insight into the material infrastructure that supported photographic practice during the early twentieth century.

This item is documented as part of the Photography in Postal History research project.
For research context, see the Research Methodology.
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