COLORADO MOTORCYCLE PLATES              Singles 1927, 1935, 1941.

Numbers assumed to have begun at #1 1913-15, #201 1916-31.

Numbers in bold are known assignments 1922-26.

1915 is embossed, not porcelain.  1927:  3,650 S ordered.

1944 tab has "MOTORCYCLE", county code and serial number.

1913-14 Prestate   3280

1915     17  - 4122   (4,106)       1924     201 - 4-240  (4,040*)

1916   1491  - 7567   (6,077*)      1925     201 - 4-380  (4,180*)

1917   1504  - 7800   (6,297*)      1926     201 - 3-580  (3,380*)

1918   1650  - 5542   (3,893*)      1927     891 - 3-085  (2,195*)

1919   1399  - 5078   (3,680*)      1928   1-096 - 1-907    (812)

1920   4-595 - 4-811    (217)       1929   1-212 - 1-848    (637)

1921   1285  - 4749   (3,465*)      1930   1-120 - 2-339  (1,220)

1922    201  - 4-540  (4,340*)      1931     585 - 2-296  (1,712*)

1923    201  - 4-340  (4,140*)

VARIATIONS

1915:  3-digit is 9" x 3", 4-digit is 11" x 3"

FORMATS 1932-58           1-1 - 9-999           County codes same

                         10-1 - 63-99           as passenger.

1938   1-1494* seen (1-1000+ not expected until 1946)

1947   14-133 seen  (10-100+ expected 1945)

1956-58 Denver Co. has no county prefix:

DENVER   PLATES SEEN   REGISTRATIONS

1956        2 -  614       1,303

1957      454 - 3365*      1,620

1958      321 - 2682*      2,176

FORMATS 1959-82          AA-1 - ZN-999          County codes same

                                                as passenger.

1983-2000 BASE

1984 "MAY 85" Type 1: Wide dies   A001A -  Z999R

1993  "9 94"  Type 2: Thin dies  A1000A - Z1511G

County codes in CO Book p.70; same as 1959-82 except changes for

CP-GN, LR-LT, PG, UM-UN, UW, XV, XX-XZ, ZM-ZR.

2001-24 BASE                                           No Q used.

2000  "2 01"          001-AVN - 999-AWG                  (18,981)

Subsequent lots interspersed with all other types.

COLORS   (If different than passenger)

1919   Light Green/Brown               1952      Black/Yellow

1920   White/Dark Blue                 1975-76   Red/White  FR

1921   White/Dark Green                1976 STICKER   Black/White