For a decent vintage Sax, (a good example is Selmer Mark VI), the value will be stable (or even higher) when time goes.
How would be a "vintage wooden" clarinet?
I ask, because, when I check the ebay, there are so many very cheap vintage clarinet (I am mainly looking at bass clarinet). Is that because of the "wood" will degrade as time goes?
AND, how about a "greenline" clarinet?