BRIMAR CV4033 - MINT NOS NIB 1960 Mil Black Plate Prem. Grade Long Life ECC81/CV4024/12AT7 Halo Getter STC Prod ENGLAND Factory Tested (Plug&Play Ready to Use) - M. Pairs/Quads/Singles STC Date Codes are faint

STC Date Codes are faint and painted on instead of etching in Brimar flying lead type

A hand written individual serial number on top

stand true for the Mjolnir 2

Factory tested and serialized*

Vali 2 or Mjolnir 2 amps or any other amp that uses ECC88/6DJ8 tubes

BRIMAR CV4033 - MINT NOS NIB 1960 Mil Black Plate Prem. Grade Long Life ECC81/CV4024/12AT7 Halo Getter STC Prod ENGLAND Factory Tested (Plug&Play Ready to Use) - M. Pairs/Quads/Singles STC Date Codes are faintBrand New MINT NOS NIB Rare 1960 BRIMAR CV4033 Black Plate with Copper Grid Post Military tubes. Factory tested and serialized*. CV4033 Flying Lead is a Premium Grade, High Reliability Long Life version of CV4024 ECC81 12AT7 valves (Click Here). CV4033 premium grade version of the 1960s Black Plate CV4024 6060 is one of the best from Brimar in the ECC81 types. STC Rochester Plant Date Codes. Made in England. *each tube came with 3 factory stickers