This is the early type valve before Yamaha changed the Valve Guide to a plastic version. Yamaha Part Number F0141090.
NIKKAN YAH-201 Eb Alto Horn Japan Used With Hard Case YAMAHA Mouthpiece
YAMAHA YAH-201 ALTO HORN with case junk for parts
Yamaha YAH-201 Tenor Horn-- In Gold, Good Condition
YAMAHA YAH-201 Alto Horn Brass Instrument with Hard Case Japan
YAMAHA YAH-201 Alto Horn Serviced Used With Hard Case Specialty stores available
Nikkan YAMAHA YAH-201 Alto Horn Good Condition Used With Hard Case Mouthpiece
