Mullard CV4086 - 1961-62 Prem Grade Long Life EF86 EF806S 6267 CV2901 CV4085 M8195 Solid Shield Wrinkle Glass Halo Mullard Mitcham Prod. Haltron LBL - GT Britain - SLIM BASE
Mullard CV4086 - 1961-62 Solid Shield Wrinkle Glass Premium Grade Long Life EF86 EF806S 6267 Gt Britain Haltron Label
Mullard EF86 - BATCH OF 4 Tubes RARE 1955-58 and 1961 Square Getter and Halo Mesh Shield with Old Shield BVA Logo - Low Test Scores - Blackburn Gt. Britain