ca. 1880, [carte de visite, portrait of the back of a gentleman], W. Fechner (Berlin) via Luminous Lint, LL/18082, courtesy of Ordinary Light 
26th Feb 201402:29136 notes

ca. 1883, [carte de visite portrait of a cat with needle point], E. Linde
via KaufmaNelson Vintage Photographs
16th Feb 201404:56877 notes

 Without a doubt, the most useful post on tumblr.
4th Feb 201402:2499,326 notes
28th Dec 201309:211 note
14th Dec 201308:00
9th Dec 201319:19104,925 notes
Opaque  by  andbamnan