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[0] a top of the line wooden Buffet, Selmer Leblanc/Noblet, Yamaha, or other professional instrument For Buffet wooden clarinets, make sure that it is NOT stamped Made in Germany! [1] and if it is from 1980 or newer (or 1970 and newer for the Buffet R13 line) [2] generally over $1000, and much more if reconditioned [3] 
You will probably get the best price by first having the instrument reconditioned and then put on the market. If you have a good local music store, definitely check out what they will do for you. See Recommended Clarinet Tech Services. The best way for you to sell will probably be by listing with a fixed price on eBay, using a long listing. See Tips for selling on eBay below.
Selling your clarinet - ClarinetPages
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