William J Kozersky, Philatelist
William J Kozersky, Philatelist > Site Map > U.S Christmas Seals > Progressive Proofs (PCPs)
Progressive Proofs (PCPs)
1927-3pcp, WX41, 1927 U.S. National Christmas Seals, PCPs, four (4) stages
1927-3pcp, WX41, 1927 U.S. National Christmas Seals, PCPs, four (4) stages
1928-1pcp2, WX44, 1928 U.S. National Christmas Seals, PCPs, seven (7) stages
1929-2pcp1, WX50, 1929 U.S. National Christmas Seals, PCPs, three (3) stages
1930-4pcp, WX55, 1930 U.S. National Christmas Seals, PCPs, four (4) stages
1931-1Bpcp, WX61, 1931 U.S. National Christmas Seals, PCPs, seven (7) stages
1932-1Bpcp, WX92, 1932 U.S. National Christmas Seals, PCPs, 7 stages
1933-1pcp, WX68, 1933 U.S. National Christmas Seals, PCPs, 7 stages
1934-1pcp, WX72, 1934 U.S. National Christmas Seals, PCPs, 7 stages
1935-1pcp, WX76, 1935 U.S. National Christmas Seals, PCPs, 7 stages
1937-1pcp, WX88, 1937 U.S. National Christmas Seals, PCPs, 7 stages
1938-1pcp, WX92, 1938 U.S. National Christmas Seals, PCPs, 7 stages
1939-1.2pcp, WX96, 1939 U.S. Christmas Seals, PCPs, NG
1940-1pcpA, WX100, 1940 U.S. Christmas Seals, PCPs, MNH
1941-1pcp, WX104, 1941 U.S. Christmas Seals, PCPs, MNH