My initial thought when I got the first group was the era that they could be from a large time frame. I did not imagine they were 1909 just because of the Horner Litho date. They could have been made in the 1940's for all I knew. However, they are on clay coated paper which is more frequently used on cards and postcards of the 1900-1910's era and not later.
I still think the latest piece has been with the RPPC's for a very long time, most of which had AZO Triangles Up, which would have been used circa 1904-1918. One of the family photos has a couple and their first child(2-3 years old) which was born in 1917 which is on an AZO Triangles Up/Down( a post 1918 marking), the others being earlier images, which all makes sense to date them in the early teens, thus the Pittsburgh spelling.
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12-15-2020, 05:38 AM
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