Vintage RCA UV201-A Radiotron Vacuum Radio Tube

Description

Vintage RCA UV201-A Radiotron Vacuum Radio Tube
See pictures for condition.
Note marker writing on one side of tube.
Tested good for filament continuity.
Not tested in tube tester.
Sold as is.
Made in early 1920’s.
4 pin.
Brass base tipped triode.
Shipped USPS First Class Package with Tracking.