6V6GT, COSSOR, BLACK GLASS, YELLOW PRINT, MARKED KDIR-N, MAY 1957 MANUFACTURE, VT-107A, 6V6

6V6G, BRIMAR, MATCHED PAIR, ZA5306, ORANGE BASE PRINT, MILITARY WW2 PRODUCTION, 6V6

6V6G, CANADIAN WESTINGHOUSE RADIOTRON, MATCHED PAIR, RED BASE PRINT, MILITARY WW2 PRODUCTION, 6V6

6V6G, SYLVANIA, MILITARY, VT-107B , 2G DATE CODE

6V6G, SYLVANIA, MILITARY, VT-107B , 9H DATE CODE

6V6GT, BRIMAR, FAT BASE, ORANGE BASE PRINT, BLACK GLASS, CV511, VT-107A, 6V6