Identification

from the group: Collotype

Collotypes

common use: 1870-1930

Reticulation

Collotype prints can be readily identified by the presence of image reticulation, a product of the finely cracked gelatin plate used to print the image. This can be seen using low magnification, such as a loupe.

Postcard 1918 Postcard 1918 - 50x
Postcard 1918 (click to enlarge) 50x Magnification
 
Postcard from souvenir set Postcard from souvenir set at 50x magnifcation
Postcard from souvenir set 1910s (click to enlarge) 50x Magnification
 
Four-color postcard Four color postcard at 50x magnifcation
Four-color postcard 1910s (click to enlarge) 50x Magnification
 
Art reproduction Art reproduction 50x
Art reproduction (click to enlarge) 50x Magnification