Percussion revolver date codes

Bill Hansen

Does anyone have a web address for a list of the two letter date codes stamped on the right side of most percussion revolver reproductions?

firstharmonic

if it is an Italian replica, there will be a box somewhere on it with two letters or roman numerals. these will date the revolver.
1945 1 1981 AH
1946 2 1982 AI
1947 3 1983 AL
1948 4 1984 AM
1949 5 1985 AN
1950 6 1986 AP
1951 7 1987 AS
1952 8 1988 AT
1953 9 1989 AU
1954 X 1990 AZ
1955 XI 1991 BA
1956 XII 1992 BB
1957 XIII 1993 BC
1958 XIV 1994 BD
1959 XV = BE
1960 XVI 1995 BF
1961 XVII 1996 BH
1962 XVIII 1997 BI
1963 XIX 1998 BL
1964 XX 1999 BM
1965 XXI 2000 BN
1966 XXII 2001 BP
1967 XXIII 2002 BS
1968 XXIV 2003 BT
1969 XXV 2004 BU
1970 XXVI 2005 BZ
1971 XX7 2006 CA
1972 XX8 2007 CB?
1973 XX9 2009 CC?
1974 XXX 2010 CD
1975 AA
1976 AB
1977 AC
1978 AD
1979 AE
1980 AF

You will notice that there are two columns of date codes that should be separated but are not. Sorry about that but I'm sure that you can deal with it.

ken44-40

Here the date codes and more:

https://store.bluebookinc.com/Info/PDF/POWDER/MBPProofmarks.pdf

2010 is CF and 2011 is CH

FM

navc130

Gentlemen, very interesting and useful information. Thank you.