Quote:
Originally Posted by rhettyeakley
Bierbauer is featured in the Old Judge set but is somewhat difficult to find in that issue (not rare but more difficult), he is pictured with the Athletics.
He is pictured on a pin back (about the size of a silver dollar) put out by the Cameo Pepsin Gum Co in 1897-1898. In that issue he is pictured with the Pittsburgh team...

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His appearance in the Pepsin pin set with the Pirates means the pin had to be produced earlier 1897 or before, since he was sold to the Cardinals before the 1897 season. March 1897 I believe.