Bought from a vintage audio store. They have KT88 tubes and everything is in working order. Feel free to ask questions and I'll answer to my best knowledge. I can send you additional pics if you'd like and upon request I can send you a link of them working on YouTube. These will leave my house fully working and functional.So don't try to scam me. The item "Dynakit MARK III Mono Block Tube Amplifiers (READ DESCRIPTION)" is in sale since Friday, August 10, 2018. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "anthony2009accord" and is located in Painesville, Ohio. This item can be shipped to United States.