Sometimes a company may hold back a batch of instruments and then release them a couple of years later. Although the dates in these charts are reasonably accurate, there may be some discrepancies for various reasons. The main thing you learn from serial numbers is the age of the instrument of course. Selmer SBA Alto What Can Serial Numbers Tell Me?
Connstellation – Rolled tone holes discontinued. Vintage Buescher, Conn, Martin, King & Selmer Serial Numbers. Why do people sometimes mask the last three digits of a serial number?. Our fundraising See here for more info…. Classifieds Used instruments on Cafesaxophone. Beginners Downloads Free when you buy a book. Collectables Rare and unusual music stuff. 
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D’Addario Reserve alto mouthpiece (review). Saxophone Info Info | History | Reviews.