NOS US made, not modern Russian, in original boxes.
Great tall bottle version ca. 1956 in nice original boxes.
High quality US made rectifer. Great in all guitar and audiphile amps.
Durable 5U4GB built for the military (JAN = Joint Army Navy).
High quality US made tube outlast cheap imports by 15:1. Original boxes. Some labeled and boxed as Amperex.