Available for immediate purchase is one (1) RCA manufactured 12AT7 (ECC81) twin triode TUBE/VALVE, made in USA. This was branded for WARD's SUPER AIRLINE. 

The tube construction features Black plates, with small Square/D getter. 

This tube has been tested on my calibrated TV-7 Mutual Conductance tube tester with a very strong, well-balanced reading of 82/80 where 50/50 is minimum and 77/77 is nominal new. 

This will be provided with an alternate box and will be well packed to ensure a safe arrival. 

Tracking is included in shipping cost for Canada and USA. Tracked shipping is not included for International shipments.

I am happy to combine shipping costs where possible.