Type 6SJ7 Metal Vacuum Tube. Hickok Tested / NOS / Near NOS Testing 1x

Type 6DQ6B 6GW6 Vacuum Tube. Hickok Tested NOS Near NOS Testing 1x

1x Type 6GU7 Vacuum Tube. Hickok Tested / NOS / Near NOS Testing

6K6GT Vacuum Tube NOS or Near NOS Testing. HICKOK TESTED 1x

Vacuum Tube 6AS5 NOS 1x Type Testing or Near NOS

Type 6BQ7 6BQ7A 6BZ7 Vacuum Tube. Hickok Tested / NOS / Near NOS Testing 1x

(1) NOS RCA 6BZ6 Vintage Audio VACUUM TUBE Hickok 539C Tested New

Type 6BK7/6BK7A/6BK7B Vacuum Tube. Hickok Tested / NOS / Near NOS Testing 1x