Model: 6211 12AU7 5814 E82CC ECC802S ECC82. Type: 6211. Pull outs Tested 100% of NOS values. Very nice tubes with a lot of life left in them.
Diamond bottom , Ulm tube plant, nice prints.
Platinum Matched Pair (2 tubes) 6211 Amperex ~ ECC82 12AU7 ECC802S. Old type micas. Tested with 150V on anodes and -3V on grids Pull outs. Tested NOS. Very nice tubes with a lot of life left in them.