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Conn and Bach serial number dating chart

Use this helpful chart to date your instrument

Bach Serial Number Charts

Bach Trumpets, Cornets
Date	Serial #
1926	500
1927	600
1928	900
1930	1450
1935	2250
1940	4650
1941	5500
1945	6500
1950	9100
1953	12000
1955	13600
1960	19500
1961	21000
1964	24000
1965	30000
1970	50000
1974	100000
1975	112000
1980	175000
1981	200000
1983	230000
1985	250000
1990	336000
1994	420000
Note: Vincent Bach used the trade names of Stradivarius, Mercedes, Mercury, Minerva, and Apollo. For some reason, Vincent jumped around a little on serial numbers. For example, in 1928 the Apollo serial numbers were 8600 - 8700. In 1939 the Mercury models had serial numbers in the 10,000s. The first Minerva (#2722) was built in 1958.

C.G. Conn Serial Number Charts

Conn Cup Mouthpiece and Reed Mouthpiece Instruments 1957 - 1972
Date	Serial #
1957	652002
1958	718626
1959	779657
1960	834200
1961	898556
1962	949465
1963	c00501
1964	c73854
1965	e54106
1966	h31247
1967	k35274
1968	l20454
1969	"m" prefix
1970	"n" prefix
1971	"p" prefix
1972	"r" prefix

Conn Cup Mouthpiece Instruments 1973 - present
Date	Serial #
1973	ga30000
1974	ga40000
1975	ga50000
1977	ga60000
1978	ga70000
1979	ga80000
1980	*
1981	*
1982	16500 - 23430*
1983	23431 - 33388*
1984	33389 - 45521*
1985	45522 - 58991*
	58992 – 68841*
1987	68842 – 76617* & prefix "37"
1988	76618 – 81115* & prefix "38"
1989	prefix "39"
1990	prefix "40"
Note: From 1987 to present, add 50 to the serial number prefix to calculate the year of manufacture.

King Serial Number Chart