Pan America, is it all just a conn? - Headwind Music,I was given this clarinet and I'm unable to date it or find out it's manufacturer. Any ideas? Bell says “Pan-American Div C.G.Conn,LTD. U.S.A” Serial number(158391) : r/Clarinet,Vintage Pan American ,Conn Pan American Special Metal Clarinet Circa 1940's – Golden Era Instruments, LLC