I could be wrong, but....?

[MVALZ]

I think the chances are better that Koosman used a Koufax model than the other way around.


http://cgi.ebay.com/SPALDING-GLOVE-DOC-ELLIS-GAME-GLOVE-KOOSMAN-MODEL_W0QQitemZ230210466066QQihZ013QQcategoryZ50126QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

I sent a polite note that Koufax retired before Koosman ever threw a pitch in the majors. This Seller has a great collection!