Dating cabinet card phtographs
By the 1880s dark colors were common and the mount often had scalloped edges.
The mount thickness changed over time, with the earlier ones being thinner than the later ones.
Starting in the early 1870s the mounts had rounded corners and came in more colors.
However, the backing also made for an attractive presentation.Early photographs can sometimes be found affixed to other items, including scorecards, book and album pages.Some sizes of mounted photographs have names, such as the cabinet card and carte de visite.1850s-60s cartes usually had the albumen print pasted to a thin mount that is white, off white or light cream. A square cornered CDV is reliably dated the 1850s or 1860s.While often there is the studio name printed on back, there usually is no printed text on the front.
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The green tinge in particular is distinct to the 1890s, due to the process used.