Made in 1965 - vintage authentic,new or little used tube,Square Getter - USSR CCCP Soviet.
The price is for 1piece.Measurement results (L1-3 tester) - Seen in the first photo.
The measurement results correspond to the parameters specified by the manufacturer.

Specifications for 6N6P :

Heater voltage ...... 6,3 ± 0,6 In
Current glow ...... 750 ± 60 mA
Anode voltage rating (continuous) ...... 120
Anode voltage limit (DC) ...... 300
Each of the anode current of the transistor ...... 30 ± 10 mA
Cathode current of each transistor limiting ...... 45 mA
Voltage grid (permanent) -2 V ......
Reverse grid current of each transistor ...... no more than 0.5 mA
The power dissipated by each anode limit of 4.8 W ......
The power dissipated by two anodes limit ...... 8 W
The voltage between the cathode and the heater limit (DC) ...... 200
The steepness of the characteristics of each transistor ...... 11 ± 2,9 mA / V
The gain of each transistor 20 ± 4
The resistance in the grid circuit limit ...... 1 MW
The capacity of each input transistor ...... 4,4 ± 0,7 pF
The capacity of the first output transistor ...... 1,65 ± 0,25 pF
The capacity of the second output transistor ...... 1,8 ± 0,3 pF
Capacity communicating each transistor ...... no more than 3.5 pF