How to Identify and Date Real Photo Vintage Postcards

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This silver chloride paper had a collodion emulsion that could be washed out with water after exposure. Borders are not uncommon. Most were colored with water base paints though thinly applied oil paints were also used.

This will make dating more difficult in the future. Timaru's postal service dates back to the late 1850s when a postal service was. SALTED PAPER Iron Salt Prints - This process was invented in 1842, but its first known use for a postcard was in 1888.

Undivided Backs (Pre-1907)

Prior to that time, there were trade cards and postal cards, which usually carried advertising or printed messages. Trade cards became popular with the enterprising merchants who distributed them from the 1870s to the 1890s. With the advent of the camera, which was developed in the mid-1800s, and later the post card, history would be forever immortalized in print. The back of a post card can give several clues about the age of a card. If the postmark on a postally used card is readable, that is the first clue to its age. Most of the cards that made it to the post office were mailed within a year or two of being produced. On a card that was not mailed, the first place to look is the stamp box. Stamp boxes are the small rectangular boxes printed on the upper right hand side, where the stamp is to be affixed. By comparing identical mailed and unmailed cards, researchers have developed a pattern to determine when a particular style of card was produced. Real photo post cards RPPCs are cards that have been produced in the darkroom on photographic paper. On real photo post cards, codes in the stamp boxes can also be helpful in dating the card. Stamp boxes on printed or lithographed cards also offer dating clues. Often there is a reference in the box to the amount of postage required. Of course, if the card is used and has a stamp, that too gives a clue, both by its value, and the style of stamp itself. When World War I ended at the end of 1918, the rate was lowered to its prewar level of one cent. The postal rate was raised briefly from 1 cent to 2 cents in 1917-1919 and in 1925-1928; the conclusive raise to 2 cents was in 1951. Commission Rate Board overestimated revenue needs in 1974 and was forced to reduce the postage rate in 1975. Post Card Eras Pioneer Era 1893-1898 Most of the earliest American picture post cards that exist today are those that were sold at the World Columbian Exposition in Chicago, Illinois, starting on May 1, 1893. These were illustrations on government-printed postal cards and on privately printed souvenir cards. The government postal cards included a printed 1-cent stamp; the privately printed souvenir cards required a 2-cent adhesive postage stamp to be affixed. Messages were not permitted on the address side of the cards; after attempting various forms of explaining that regulation, the U. Private Mailing Card Era 1898-1901 An Act of U. The required postage was a 1-cent adhesive stamp. At this time, a dozen or more American printers began to focus on post card production. Still, no message was permitted on the address side. Real Photo Post Cards 1900 to 1995 Post cards that are actual photographic replications were first produced around 1900. They provide a quality black and white photographic record of history in the making and they can usually be enlarged somewhat without losing image quality. They may or may not have a white border, or a divided back, or other features of post cards, depending on the paper the photographer used. Many of the real photo post cards being done at the current time are reproductions of earlier historic photos. The easiest way to distinguish a real photo postcard is to look at it under a magnifying glass; it will show smooth transitions from one tone to another. Photo post card paper is currently only available from foreign sources. Undivided Back Era 1901-1907 New U. Writing was still not permitted on the address side. In this era, private citizens began to take black and white photographs and have them printed on paper with post card backs. If no message was permitted on the address side, the card probably predated March of 1907. Early Divided Back Era 1907-1914 Post cards with a divided back were permitted in the U. The address was to be written on the right side; the left side was for writing messages. Many millions of cards were published in this era -- it was the golden age of postcards. Up to this point, most postcards were printed in Germany, which was far ahead of the United States in the use of lithographic processes. With the advent of World War I, the production of post cards for American consumption switched from Germany to England and then to the United States. White Border Era 1915-1930 Most post cards produced in the United States were printed during this period. Due to the relatively high cost of labor, along with inexperience and changes in public taste, the quality of the mass produced cards in this era began to decline. Furthermore, strong competition in a narrowing market caused many publishers to go out of business. Linen Era 1930-1945 New printing processes allowed printing on post cards with high rag content that caused a linen-like finish. These cheaply produced cards allowed the use of gaudy dyes for coloring. The firm of Curt Teich flourished because of its line of linen postcards. Tichenor Brothers in Cambridge, Massachusetts also produced many cards in this era. Many important events and scenes in history are documented by these cards. Three-dimensional post cards also appeared in this era. By the 1960s, the standard size of cards had grown to 4 x 6 inches. Photochromes are not real photos but rather, lithographed cards done by a photochrome process. To distinguish a printed post card from a real photo post card, examine it under a magnifying glass and you will see the dot pattern that is characteristic of lithographed cards. The best printed cards were produced by the photogravure process. They are difficult to discern from real photos but usually don't have the glossy finish of photographs. Does it list a phone number with area code? The first unassisted coast-to-coast direct dialing with a three-digit area code began on November 10, 1951. AZO Stamp Boxes One of the popular photographic papers used for producing real photo post cards was Kodak Professional AZO Paper. This was suitable for making contact prints, rather than enlargements for which the source of light would be much weaker. Post cards produced on AZO paper had AZO stamp boxes on the back. The style of these boxes varied over time.

The Archives is part of the part dating postcard backs the Lake County Discovery Museum, in Wauconda, Illinois. In 1921-1922, when the rate was increased, there was such an uproar that it was reduced again. Con at the modes of transportation. If the postmark on a postally used card is readable, that is the first clue to its age. With colour photography, this colouring method became almost non-existent. Of course, if the card is used and has a stamp, that too gives a file, both by its value, and the style of stamp itself. A similar protest recently has introduced a special postcard rate for overseas addresses when the letter rate rose considerably. Its ease of use made it the most popular paper on the market for real photo postcards.