The stamping of the name on Bach trumpet mouthpieces has varied over the years. Below are some general guidelines to help determine the age of Bach trumpet mouthpieces. The dates are approximate.
"VINCENT BACH" Small letters, no "CORP", but with new "font." Deeper stamping. 2007-
"VINCENT BACH" Small letters, no "CORP", but with new "font." Shallow stamping. 2004-2007
.
"VINCENT BACH" Large letters. 1997-2003
.
"VINCENT BACH" (no CORP.) 1994-1996
.
"VINCENT BACH CORP." With shallow period near "P". 1980s-early 1990s
.
"VINCENT BACH CORP." With period that is deep and far from "P". 1970s
.
"VINCENT BACH CORP" (no period) 1965-1969
.
"VINCENT BACH CORP MT VERNON N Y" Close spacing to letters, no periods. Later Mt. Vernon... 1960(?)-1964
"VINCENT BACH CORP., NEW YORK" Letters do not have "serifs". Late 1940s-1953
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