SWGP Silver Shield 6N23p (ECC88 6DJ8 E88CC 6922) Made by VOSKHOD factory (ROCKET logo, city Kaluga USSR) in 1973.
The parameters are measured at Uf = 6.3 V, Ua = 90 V, Bias voltage = -1.3 V
1975 Reflector PAIR SWGP 6N23P
https://www.ebay.com/itm/285682777607
1975 Voskhod. SWGP. Grey Shield 6N23P
https://www.ebay.com/itm/285502599606
1974 Reflector. Grey Shield.
https://www.ebay.com/itm/285511373567
1973 Reflector. Grey Shield 6N23P
https://www.ebay.com/itm/285600618795
1972 Voskhod. Grey Shield 6N23P
https://www.ebay.com/itm/285604091009
1971 Voskhod. Grey Shield 6N23P
https://www.ebay.com/itm/285602652638
MATCHED PAIR Voskhod 6N23P
https://www.ebay.com/itm/285682590560
MATCHED PAIR Reflector 6N23P
https://www.ebay.com/itm/285591873616
https://www.ebay.com/itm/285680710158
MATCHED PAIR 6N23P-EV Reflector.
https://www.ebay.com/itm/285022550800
6N23P-EV Reflector. 1 pc.
https://www.ebay.com/itm/283733113811