Issue Dates and Yearly Information
Yellow 1956 Base Plate: Issued from 1956 through 1961.

White 1962 Base Plate: Issued from 1962 through 1967.

Yellow 1968 Base Plate: Issued from 1968 through 1973.

White 1974 Base Plate: Issued from 1974 through 1976 Dated with "74"

1976, 1977, 1978 Years issued on undated plates with "Maine" shifted to the left.

1979 plates issued with centered "Maine"

A Series: 1980
B Series: 1981
C Sereis: 1982
D Series: Late 1982 -Early 1983
E Series: Mid 1983 - Early 1984
F Series: Early 1984
G Series: Late 1984 - Mid 1985
H Series: Mid 1985 - Early 1986
I Series: 1986
J Series: Mid 1986 - Late 1986
K Series: Late 1986- Early 1987
L Series: Early 1987 - Late 1987
M Series: Late 1987 - Early 1988
N Series Early 1988 through June, 30 1987 (last Black and White Plates)

Lobster Plates
July 1, 1987 through June 30, 1999

P Series: 1988
Q Series: 1988
R Series: 1988
S Series: 1988
T Series: 1988
U Series: 1989
V Series: 1989
W Series: 1989
X Series: 1990
Y Series: 1990
Z Series: 1990 -Early 1991
AA through ZZ series: 1991 through 1992
AB through AZ series: 1993 through Early 1994
BA through BZ series: Mid 1994 through Early 1996
CA through CZ series: Early 1996 through Late 1997
DA through DZ series: Late 1997 through Late 1999
EA through ES series: Late 1999 through June 2000

Chickadee Plates
July 1, 1999

GA Series through HU Series: 2000
HV Series through JW Series: 2001
JX Series through KN Series: 2002
KP Series through LE series: 2003
LF Series through LX series: 2004
LY Series Through Current: 2005

Loon Plates:
February 1994

University Plates:
Mid 1994

New Lobster Plates:
May 1, 2003

Black Bear Plates:
Nov. 3, 2003
Updated: Mar. 21, 2004
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