Month Code Code Letter Year
January 01 A 1976
February 02 B 1977
March 03 C 1978
April 04 D 1979
May 05 E 1980
June 06 F 1981
July 07 G 1982
August 08 H 1983
September 09 J 1984
October 10 K 1985
November 11 L 1986
December 12 M 1987
N 1988
P 1989
R 1990
S 1991
T 1992
U 1993
V 1994
W 1995
X 1996
Y 1997
Z 1998
The code letter prefixing the serial number indicates the year of manufacture.
Example: 10W would be October 1995
12H would be December 1983