Date of use : 1954 San Salvador

San Salvador: Presto Photo Lab Business Cover

This envelope in our collection was sent from El Salvador, a small country in Central America, to the metropolitan city of New York in the United States. In the upper left corner of the envelope appears the sender's address: "35MM PRESTO PHOTO LAB., Apartado Postal No. 513, San Salvador, C. A." The recipient is listed as: "CINEFOT INTERNATIONAL CORP., 303 West 42nd Street, New York 36, N.Y., U.S.A."

Both companies were active in the photography sector during the mid-20th century. One represents a local photographic laboratory in Central America, while the other stands out as an international commercial enterprise based in New York.

Cinefot International Corp. operated from its address at 303 West 42nd Street, in the heart of New York City, during the mid-20th century. The company had a particularly interesting business model. Rather than manufacturing products itself, Cinefot primarily managed export operations for American photographic and motion picture equipment manufacturers. In other words, it helped U.S.-based producers distribute their products to markets outside the United States and Canada.

Cinefot's commercial activities were not limited to the American continent; the company also established strong business relationships with Europe. One of its most notable activities took place in the field of publishing. In 1952, Cinefot collaborated with Grayson Publishing Corp. to release the English-language edition of the book "My Experiences in Color Photography" by the renowned German photographer Dr. Paul Wolff.

The sender of the envelope, 35MM Presto Photo Lab, was a photographic laboratory operating in San Salvador, the capital of El Salvador. The company's name clearly indicates its specialization in the 35-millimeter film format. During the mid-20th century, 35mm film was the most widely used format among both amateur and professional photographers.

The word "Presto" comes from Italian and means "quick" or "immediate," suggesting that the laboratory emphasized fast photo processing services. In the 1950s and 1960s—often regarded as the golden age of photography—people were eager to see their photographs as soon as possible after shooting their film. As a result, laboratories offering rapid development and printing services were especially popular.

The term "Photo Lab" indicates that this business did more than simply sell film. It also provided essential laboratory services such as film development, photographic printing, and enlargements. In this sense, 35MM Presto Photo Lab functioned as a one-stop service provider for photographers in San Salvador.

Notes

New York 36 – Postal Zone System
The address "New York 36" refers to a postal system that differs from today's ZIP code structure. Between 1943 and 1963, large American cities were divided into numbered postal zones. New York 36 covered an area on Manhattan's west side, around West 42nd Street.

In 1963, the United States Postal Service introduced the ZIP code system still in use today. After that point, designations such as "New York 36" were replaced by ZIP codes like "New York, NY 10036." The presence of the older system on this envelope strongly suggests that the correspondence took place before 1963.

Apartado Postal No. 513 – A Post Office Box in San Salvador
The phrase "Apartado Postal No. 513" indicates that 35MM Presto Photo Lab used a post office box for correspondence. "Apartado Postal" is the Spanish term for a P.O. box. This does not necessarily mean that the laboratory lacked a physical storefront; rather, it shows that incoming mail and orders were handled through a dedicated postal box.

San Salvador, the capital and largest city of El Salvador, experienced growing interest in photography during the mid-20th century. Both professional photographers and amateurs sought reliable laboratories to develop and print their films. 35MM Presto Photo Lab was a local business established to meet this demand.

C. A. – Central America
The abbreviation "C. A." in the address "San Salvador, C. A." stands for Central America, a commonly used designation in international correspondence during that period.

This item is documented as part of the Photography in Postal History research project.
For research context, see the Research Methodology.
For academic reference, please refer to How to Cite This Archive.