Dating velox paper
The simplicity of the process made it very attractive to amateur photographers.
At other times a studio might buy out the negative inventory of older photographers and reprinted their images under the current studio name.
This could go on for generations, and it is not uncommon to find the same photograph attributed to three different artists.
NOTE: There were many other photo papers manufactured in addition to those listed on this page, and even these could be made in different finishes from matte to glossy.
At least 450 different real photo postcard backs can be found but as of this time there is a lack of accurate information regarding all their dates of use, or they were used in very limited quantities.