1996 blk,roul 111/2, 121/2, 161/2
1895 red, cream
1877 brn,engr. silk paper, perf 12
1879 red brn,thin paper, perf 12
1879 yel brn,thick paper, perf 12
1888 chocolate, med thick crisp paper
1889 choc, thick/extreme thick paper
1889 bis brn,thick/extreme thick paper
1889 bister brown
1892 light brown
1895 gray brown
1898 brown,thin paper,perf 12
1900 red brown
1907 blue, typo., perf 12
1907 blue,wmk,seal of U.S.
1912 blue, rouletted 61/2
1913 blue
1916 blk (pink), perf 12
1917 gry,blk, perf 12
1919 blk,thin,wht,crisp paper,perf 12
1946 gry blk,perf 12,med to thick paper
1946 gray black
1948 gry blk,hyphen hole perf 91/2
1950 gry blk,imperf at sides
1970 gry blk,hyphen hole 91/2ximperf
1972 blk,roul 91/2 x imperf
1972 blk, perf 121/2 x imperf
1992 black
1872 Registry Seal - green, white wove paper, perf 12
1872 green, printed on both sides, back