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Two KELLOGG early AC radio vacuum tubes, 401 & 403.
Type 401 low level amplifier tube with good filament.
Type 403 amplifier tube with good filament.
Both tubes are in great condition.
Both tubes are solid withtight clear glass, solid contact pins and solid base. Nothing loose, bent, or broken. Not gassy and no shorts.
The photos are part of the description and should represent the condition but please ask any questions. Tubes will be well packed. Thanks for looking!
Also, please take a look my other sales as I will be selling some very rare and unique items....