B36, MARCONI, 12SN7GT, CLEAR GLASS, FAT BROWN MICANOL BASE, LARGE DECAL, JANUARY 1956 MANUFACTURE, 12SN7
B36, MARCONI, 12SN7GT, CLEAR GLASS, FAT BROWN MICANOL BASE, LARGE DECAL, JANUARY 1956 MANUFACTURE
B36, MARCONI, 12SN7GT, CLEAR GLASS, FAT BROWN MICANOL BASE, LARGE DECAL, JANUARY 1956 MANUFACTURE