Registration stamps. S.S. QUAIL AND SNAKES: 1919-21, 270 stamps, singles, pairs, multiples, including large gutter block of 12, numerous proofs of complete design, frame or center only, 8 pairs imperforate between stamps and etc., range of mainly used snakes with overprints of 1921, generally nice quality group, full OG or no gum as issued, VF, Est. $400-$500 (Image)