REGULA DATE CODES

Production Code Production year(s)
A 1970/1990/2010/2030
B 1971/1991/2011/2031
C 1972/1992/2012/2032
D 1973/1993/2013/2033
E 1974/1994/2014/2034
F 1975/1995/2015/2035
H 1976/1996/2016/2036
J 1977/1997/2017/2037
K 1978/1998/2018/2038
L 1979/1999/2019/2039
M 1980/2000/2020/2040
N 1981/2001/2021/2041
P 1982/2002/2022/2042
R 1983/2003/2023/2043
S 1984/2004/2024/2044
T 1985/2005/2025/2045
U 1986/2006/2026/2046
V 1987/2007/2027/20