Dating tuck postcards
By using Jackson's file of negatives and the photocrom process to make Jackson's black and white negatives colorized they became one of the largest American publishers of postcards.The Detroit Publishing Company issued thousands of high quality photographs showing buildings, historical sites, natural landmarks, sports activities, and more.From the mid 1860's to the mid 1890's published postcards in London, England. Leighton Company Manufacturers, and the most recognized The Detroit Publishing Company. They were the owners to the American rights to a process for lithographically adding color to black and white negatives.They published high quality decorative Christmas cards from that time. Foster from Beverly, Daniel Low and Company from Salem who also owned a prominent gold and silversmith shop, Edwin C. The process was known as photocroms or later Aac, and it permitted the mass production of postcards.
lthough real photo postcards were made in a variety of ways, they hold one identifiable feature in common.
As time passes this silver tends to migrate to the surface of the print creating tell-tale metallic patches.
Observing this shiny crust, no mater what the color, is a quick and sure way of telling if you are looking at a real photo.
Postcards can be dated using the time the publisher existed and was in business.
If a collector comes across one postcard, which is part of a set, and he wants to find the rest, it is easy to do so if you know the name of the publisher.Soon the United States caught on and publishing companies started to spring up in the U. In the fall of 1897, Livingstone persuaded William Henry Jackson to become a partner in the company.