Postcard dating by stamp box
K: Known dates, the year spread could be larger Dating photopostcards is an art, but is somewhat easier than dating studio portraits as the date of studio operatioins is often not known.Most of the photo postcards that we have noted date from 1907.The stamp box, however, is the single most useful feature.
And knowing the country where these companies were based does not mean that was where the photogrph was taken.
They identify the manufacturer of the photographic paper.
You can approximate the age of the Real Photo by knowing when the paper manufacturer was in business.
Here the format of the box can help to focus in on the chronology.
The mere fact that photographic prints were done with post card backs for mailing hekps to date the images.
The divided back allowed writing on the back of the card for the first time.