Posted by DE VULPUS on July 29, 1999 at 07:57:34:
I saw a ued  Yamaha F621s with very big problem to the 
 silver plating in the regiones that in the laquered 
version are  nickeled (or made of  `alpacca' I do not know).
Is this a common problem for the yamaha silver plating horn? 
Thamks for help