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Ohio: Sizes

DIMENSIONS
1908-09  1-3-digit   5 1/2" x 10 1/4"
           4-digit   5 1/2" x 12 1/2"
           5-digit   5 1/2" x 14"

1910     1-2-digit   5 1/2" x  7 3/4"
           3-digit   5 1/2" x  9 3/4"
           4-digit   5 1/2" x 12"
           5-digit   5 1/2" x 14"
 
1911     1-2-digit   5 1/2" x  8"
           3-digit   5 1/2" x 10"
           4-digit   5 1/2" x 12"
           5-digit   5 1/2" x 14"
 
1912-15  1-3-digit   5 1/2" x  9 3/4"
           4-digit   5 1/2" x 12"
         5-6-digit   5 1/2" x 13 3/4"
 
1916       2-digit   5 1/2" x  8 3/4"
           3-digit   5 1/2" x  9 5/8"  (Possibly also 1000 - 1999?)
           4-digit   5 1/2" x 12 1/4"
       10000-19999   5 1/2" x 12 1/2"  (Also 61204, 161135, 161178, 181123, 181911,
                                        Possibly all 21000 - 91000 series)
       20000-99999   5 1/2" x 13 1/2"  (Also 101418, 103134, 103149, 115988, 118934, 151397,
                                             152321, 156130, 181534, 198150, 221132)
     100000-199999   5 1/2" x 14 1/8"  (Also 210842, 229186)
           200000+   5 1/2" x 15 1/8"
 
1917     1-3-digit   5 1/2" x  9 3/8"
           4-digit   5 1/2" x 11 5/8"
           5-digit   5 1/2" x 14"
(Type 1)   6-digit   5 1/2" x 16"
(Type 2)   6-digit   5 1/2" x 14"
(Type 3)   6-digit   5 1/2" x 15 1/2"
 
1918     1-4-digit   4 3/4" x 10"
           5-digit   4 3/4" x 11 3/4"
           6-digit   4 3/4" x 13 1/2"
 
1919       2-digit   4 3/4" x  7 1/4"
         3-4-digit   4 3/4" x 11"
         5-6-digit   4 3/4" x 14 3/4"
 
1920-21  1-3-digit   4 3/4" x 10"
         4-5-digit   4 3/4" x 14"
           6-digit   4 3/4" x 15 3/4"
 
1922-23  1-3-digit   5 1/2" x  7"
           4-digit   5 1/2" x  9 1/4"
           5-digit   5 1/2" x 11 1/4"
           6-digit   5 1/2" x 13 1/4"
 
1924-25  1-4-figure  5 3/4" x 10"
           5-figure  5 3/4" x 11 7/8"
           6-figure  5 3/4" x 13 3/4"
 
1926-34  1-4-figure  6" x 10"
           5-figure  6" x 12"
           6-figure  6" x 14"

1935-55              1-4-figure  6" x 10"
(except 1938, 1953)  5-6-figure  6" x 12"

Note:  1944 #A-1-A - Z-50-Z are 6" x 12", while A-51-A - Z-99-Z are 6" x 10".
       #N-100-D normal 1944-45, 1948-50, short 1951, 1954-55, #100-KU short 1951.

1938, 1953, 1956-present  All plates  6" x 12" (Standard bolt spread 1957-present)

1943 WINDSHIELD STICKER  2"     x 5 1/2"
1952 WINDSHIELD STICKER  2 3/4" x 2 1/4"
1968-present  ALL MONTH, YEAR, LOCAL TAX STICKERS    1" x 1 1/2"
1983-2002     COUNTY NAME STICKERS                 7/8" x 4 7/8"
2002-present  COUNTY NUMBER STICKERS                 1" x 1 1/2"