Up for sale, a lot of 10 used 12AU7A ECC82 Sylvania tubes, all are US, identical large box plate tubes, O getter with identical codes. Green print. Presumably pulled from same Baldwin organ. Some were tested in circuit, with no unwanted noises.
Tested on calibrated Hickok 539C tester:
All show 2750 to 3100 gm (1900 min), and draw current 8-10mA. Codes 312 226 AUF.
All have good pins. Tested for shorts, of course. Lower-testing tubes get tossed. Asking $49./lot.
These may be useful to guitar guys or a commercial dealer.
Buyer will receive 10 tubes, one money, as shown. Will be well-packed and shipped within US, $3 by US Postal. See my other tubes and parts, and thanks for looking.