muramatsu flute serial numbers, muramatsu flute serial number list, muramatsu flute model numbers Old Muramatsu Flutes Serial Number . The family of Muramatsu flute-players continues to grow with each passing year. If a case is included it may have writing, stickers, or other marks on it from the previous owner. This page lists Instrument Definition Files for a number of Yamaha Genos, Tyros, PSR, CVP, DGX, YPG. An Altus 1107, or a Muramatsu GX, or a Yamaha 481 might all be . I can not know as much about the era and serial numbers as a flute seller. As a point of interest, I had a 21 year old Dutch student last year, who was a.