2 x 6N1P = 6DJ8 = ECC88 SingleWire Strong Matched/Selected Pair Voskhod Rocket

Made in USSR in 70's or 80's

Measured with professional tube tester device L3-3 Checked for Noise, Microphonic,shorts, leaks.

The items will be carefully packed and shipped to confirmed on eBay address from 
UKRAINE by International Air Mail (have tracking number).