(!!!!) (Best Pair) JAN-CEA-5993 Bendix NOS 1955 faded printing (53/40 x 4 sections) 1% matched

1 pair) JAN-CEA-5993 Bendix NOS 1955 – faded printing on each tube

1 tube) 53/40 and 53/40

1 tube) 53/40 and 53/40

(5993=Premium 6X4 with a different pin-out, excellent construction, long-life tube)