Marconi MWT England B65 6SN7GT metal base Röhre,tested,ultra rare

Description

Ultra rare tube,hard to find
Pre-owned,very good condition
Made in England from 50s (code KG
9)
Bottom square getter,grey coated glass,metal base,brown bottom
Tested on TV-7D/U military tube tester,minimum good value for 6SN7GT/B65 is 50 = 60-65%
Results : 86/87
No shorts,no gas
I will pack the tubes properly(in a wooden box), and will take great care in doing so
PRICE IS FOR ONE TUBE