| Unidentified photographer Portrait of a man with a caricature foreground 1874, 14 April (date patent for foreground issued) Tintype Private collection of Michael Pecosky LL/67039 The date is for C.M. Coolidge's US patent No. 149,724, "Processes of Taking Photographic Pictures", 1874, 14 April (patent issued).
Thanks to Beverly Wilgus for this information (7 December 2018).
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