Perkins, Bacon & Co. 1906 proofs
all scans provided by Travis Searls.
cardboard proofs
presentation page
25c trial color proof pair
25c perforated trial color proof
sample book pages
30c block of 9 cardboard proofs
50c block of 9 cardboard proofs
$1 block of 9 cardboard proofs
$5 block of 9 cardboard proofs
miscellaneous
25c proof sheet
$5 photograph and red proof on paper
25c blue trial color proof
25c red trial color proof
25c green trial color proof
25c green perforated trial color proof
25c center proof
25c center proof
25c frame proof