VARIATIONS
1912-17: 5-6-digits have thinner dies than 1-4-digits.
1915, 1917: 1-digits have flanking dashes.
1918: Type 1 - Olive back 1 - 164875 (164,875 P)
Type 2 - White back 171052 - 185694 (14,643 P)
1920: Type 1 - Oval "0" of date 1 - 263-763 (263,763 P)
Type 2 - Round "0" of date 296-724 - 308-525 (11,802 P)
1921: Type 1 - Wide "9" of date 1 - 127-179 (127,179 P)
Type 2 - Normal "9" of date 148-958 - 336-182 (187,225 P)
1922: 5-digits have round "O" of "MO.", 6-digits have oval "O".
1924: Grimm has non-serif "7" unlike 1922.
1924-31: Type 1 - S.G. Adams dies, or
Type 2 - Grimm dies (see table below)
S.G. ADAMS GRIMM
1924 1 - 98-992, 284-183 - 494-892 (309,702) 100-010 - 274-200 (174,191)
1926 1 - 98-946, 410-748 - 594-179 (282,378) 101-543 - 397-694 (296,152)
1927 1 - 99-740, 402-972 - 591-527 (288,296) 100-089 - 394-548,(294,948)
605-522 - 606-009
1928 1 - 97-960, 410-210 - 636-905 (324,656) 100-296 - 404-215 (303,920)
1929 1 - 99-948 450-258 - 638-834 (288,526) 100-852 - 446-737 (357,789)
651-408 - 641-492 - 649-729
661-368 - 665-032
1930 1 - 99-743, 442-132 - 698-698 (356,310) 100-738 - 432-538 (331,801)
1931 1 - 98-873, 455-583 - 658-544 (301,835) 101-005 - 434-267 (333,263)
1930-33: 1-4-digits have smaller legends.1934-35: 1-4-digits have no slots.
1939: Type 1 - 1937-38 flag hyphen, bolt slots
1 - 523-376
Type 2 - 1937-38 flag hyphen, bolt holes
528-432 - 543-279 (14,848 P)
Type 3 - 1940 small hyphen, bolt holes
555-065 - 730-767 (175,703 P)
1941: 5-digit has round "SS" of legend, 6-digit has square
"SS", 326-480 has small "4" of date, 594-356 wide "4".
1942: Square or round "O" of legend reported, also third type.
1942: Type 1 - Steel 1 - 815-472
(43) Type 2 - Fiberboard 820-105 - 864-938 (44,834 P)
(1943 tab doesn't fit holes of 1942 fiberboard plate)
1944: Type 1 - Rounded legends 1 - 75-469
Type 2 - Squared legends 80-626 - 695-329 (614,704 S)
1945: Type 1 - Squared legends 1-632 - 191-804 (190,173 S)
Type 2 - Rounded legends 377-153 -
Starting 1945, hyphen placed higher to accomodate
city-issued Dealer discs mounted on plates.
1946: Wide "O" (verified) or thin "O" (reported) of legend.
1947: Type 1 - Thin "U" of legend 1 - 138-445
Type 2 - Wide "U" of legend 308-210 - 825-975 (517,766 S)
1948: 84-180 thin "O" of legend, 169-321 wide "O" of legend.
1949-55: Type 1 - 6" x 12 1/2", tab slots,
JAN-JUN have dot after month, JUL-DEC have no dot.
"JAN 55" Type 2 - 6" x 12", tab slots, issued Feb.54.
"JUL 55" Type 3 - As Type 2, but no tab slots, issued Aug.54.
M99-123, S99-053 verified.
1952-53: Tabs have small or large date and size.
Stickers began October 1952, expire "SEP 53".
1956-61: Type 1 - Top-serif "1", rounded "3", high "5" (68-315, 997-276 seen)
"APR 56" Type 2 - Top-serif "1", straight "3", normal "5"
"JUN", "JUL", "SEP"
"MAR 57" Type 3 - Top and bottom-serif "1", rounded "3", high "5"
"JUNE", "JULY", "SEPT"
1973, 1976: Different sizes of date.
1976: Type 1 - Maroon/White JAN RESERVED (9,999 P)
Type 2 - Gold/Light Blue JAN - MAY (936,563 P)
Type 3 - Gold/Medium Blue JUN - DEC (1,404,500 P)
Type 4 - As Type 3, but unpainted back (DEC reported)
(Z4R-233 still painted)
1978: Type 1 - Unpainted back (all others)
Type 2 - Black back A8W-772, A8Q-452
1979: 4071 - 6861 have no hyphen.
Type 1 - Light steel, unpainted back
AA0-001 - YK7-277, ZP1-980 (2,148,622 P)
Type 2 - Heavy steel, gray back
YM2-978 - YY0-515, ZK0-583 (77,531 P)
1980-97 BASE
Jan.79 "JAN 80" Type 1 - Old dies, dated "80", gray back
May 82 "APR 83" Type 2 - As Type 1, but undated
Jun.82 "MAY 83" Type 3 - As Type 2, but wierd painted back
Jun.82 "MAY 83" Type 4 - As Type 2, but unpainted back
Dec.86 "NOV 87" Type 5 - Old dies, old "MISSOURI", 2nd slogan
Nov.87 "OCT 88" Type 6 - New dies, old "MISSOURI", 2nd slogan
Jan.88 "DEC 88" Type 7 - New dies, old "MISSOURI", 3rd slogan
Type 8 - New dies, new "MISSOURI", 2nd slogan
Aug.88 "JUL 89" Type 9 - New dies, new "MISSOURI", 3rd slogan
Sticker box enlarged 1987.
2009 STICKERS: Taller size and different design starting "MAY 09"
for Bluebird base.
2010-20 STICKERS: Vertical or horizontal, different designs.
