Answer according to seller:
"Thanks for writing. This particular kit was owned by Billy Cobham. Yamaha does not make a signature Billy Cobham kit. This is the real deal.
Gerry"
I will send the link to Billy and ask him directly.
"Thanks for writing. This particular kit was owned by Billy Cobham. Yamaha does not make a signature Billy Cobham kit. This is the real deal.
Gerry"
I will send the link to Billy and ask him directly.