All items in my store are 100% authentic. Please contact me if you have any questions. We do not mark merchandise values below value or mark items as "gifts" - US and International government regulations prohibit such behavior. Thank you for your understanding. STAX SRM-006TS control amplifier tube type silver 6FQ7/6CG7 with power cablePlease contact me if you have any questions.This item is in the category "Consumer Electronics\TV, Video & Home Audio\Home Audio\Receivers & Amplifiers\Amplifiers & Preamps". The seller is "kj-japan" and is located in this country: JP. This item can be shipped worldwide.