Dick Jones and oldman have good advise!
I would find an outdoor session at something like a Cabelas or Bass Pro were you can try different calls and gain some instruction.
I have found some calls I can blow and some I simply cannot blow.
Tim Grounds has twice taught me how to blow his HalfBreed Magnum and in my hands, I sound awful and in his hands its a musical instrument.
I would stay away from eBay as many of the calls are collector and the rest will/may have problems and require tuning.
Olt is out of business and of course if you want an Olt, then purchase a 'new' one on eBay. Then practice.-Dick
