TWO tubes (ONE matched pair) of rare NOS NIB Siemens & Halske E81CC ECC801S 6201 premium, triple mica, copper grid posts, dual getter support, long life version of ECC81 / 12AT7, This is true E81CC by Siemens & Halske, great sounding tube.

They come in original individual Siemens boxes!!! Platinum matched pairs from box of 100 units carefully matched by plate current and transconductance on Metrix U61B tester and Hickok I177! 

They are made in Munich Siemens&Halske tube plant and # logo is clearly visible on photos.