DIMENSIONS
1910                      6"     x 13 1/2"
1911-12                   6"     x 12"
1913-14  4-digit          6"     x 13"
         5-digit          6"     x 14"      (Verify 20000+)
1915-20, 1921 TYPE 2      6 1/4" x 15 1/4"
1921 TYPE 1, 1922-36      6"     x 15"
1937 - 3-31-45            6"     x 13"
(3-31) 1948-51            6 1/8" x 13"
MARCH 1952 - (3-31) 1956  6 1/8" x 13 1/8"
3-31-57 - present         6"     x 12"

(3-31) 1943-47 TABS              1 5/8"  x 3 3/8"
(3-31) 1949-53 TABS              1 1/4"  x 2"
(3-31) 1972-80 STICKERS          1"      x 1 1/4"
(3-31) 1982-86 STICKERS          1"      x 1 1/2"
1986-2008 MONTH & YEAR STICKERS  1 3/16" x 1 1/2"