Dating azo postcards, real photo
Dating Guide Some common stamp box corners noted here: A warm brown chlorobromide paper with improved tonal range started being used in Europe in Often there is a dating lee enfield rifle in the box to the amount of postage required.
The address was to be written on the right side; the left side was for writing messages. As this paper was manufactured before the azo postcard of real photo postcards, its first release was on thin paper stock.
20th Century Phenomenon
This guide is meant to aid the collector in identifying and dating real photo postcards, and to act as a reminder that it is impossible to do so with great accuracy. There are many postcards that reproduce photos by various printing methods that are NOT real photos KRUXO - If you have any information, corrections, comments, or additions, please email ron playle.
Available images suggest that the date may be more accurate. All entries on one page may be slow to load.
Quick Reference Real Photo Old Postcard Dating Guide
Photo post card paper is currently only available from foreign sources. The required postage was a 1-cent adhesive stamp. But even collotypes will exhibit a discernible grain when magnified.
Velox paper without a postcard back was manufactured until The post cards boxes because they were often very destinctive can be used in dating the image even when there is no postmark. The best printed cards were produced by the photogravure process.
About 85 percent of all photographs made in the 19th century were albumen prints. In this era, private citizens began to take black and white photographs and have them printed on paper with post card backs.
DuPont Defender - How can I tell if my postcard is a real dating azo postcards postcard? Other cards were sometimes printed matte but on a textured paper to look similar to salted photos.
CYKO - three variations to the back. While permanent bromide paper was developed alongside chloride papers, its cost, difficulty to process, and lower tonal range kept it from being widely used in America.
AZO diamonds in corners. NOKO -