1907 Dreyse
Left: Early crown-over-crown-over-U proof, used until late 1911 or early 1912. Right: Later crown-over-N proof.
Copyright 2012
by Ed Buffaloe.
Traditional darkroom photography and historical photographic processes
Left: Early crown-over-crown-over-U proof, used until late 1911 or early 1912. Right: Later crown-over-N proof.
Copyright 2012
by Ed Buffaloe.