One tube is new in box and the other is missing the box.

Date codes are I63 B1C2 and I63 B04

The tubes features Grey plates with an O getter.

Tubes each have current matched balanced plates. Perfect for HiFi.

Tubes have been tested on a recently Calibrated Hickok TV7 tube tester with a digital meter and test as follows:

Tube1 : 52.5/50.0

Tube 2 : 41.3/43.8

Minimum good value on a TV7 tester for a 12ax7 tube is 32 which represents approx 40% life left. The tubes test within or near the NOS range. 

Tubes are guaranteed to be in good working order upon delivery. If a tube ends up bad within 1 week of delivery just ship it back for a full refund on the bad tube minus shipping costs.

  See pictures for details.