Up for sale, a set of 4 Sylvania 6DJ8 ECC88 tubes, made USA. Some people prefer these over the Euro tubes, and have called them Green Hornets. Used.
Test high on Hickok 539C tester, all between 10,300 and 12,000 gm (minimum 7700).
and ~12 - 15 mA current.
Buyer will receive 4 tubes, as shown. Asking $36. Will be well-packed and shipped within US, $3. by US Postal.