Pair (2) 6922 Amperex PQ Premium Quality vintage vacuum tubes, 

marked as made in USA, both same date codes etched are 7L9 *68 

actually made in Heerlen, Holland, June 1969

both are grey smooth plates, triple mica, 

top O getters, tubes test: 

Price is for all tubes pictured.

We test all tubes we sell! We will combine shipping! Check out my other tubes!