BRITISH TUBE 10/E11447 NOS CEMENT COATED VR 66 Triode Power Output RAF MILITARY TUBE APPEARS NOS IN ORIGINAL BOX AND IS CLEAN LOOKS UNUSED AND HAS GOOD CONTINUITY. YOU COLLECTORS WILL KNOW WHAT YOUR LOOKING A REFERENCE PICTURE FROM THE RADIO MUSEUM . I HAVE NO WAY OF TESTING THIS BEYOND CONTINUITY. See more below CAME FROM A LARGE COLLECTION OF NOS BOXED and some unboxed MILITARY TUBES and A large selection of foreign tubes. THE ONES I can test ON A REGULAR TUBE TESTER HAVE CHECKED OUT . SEE ALL PICTURES AND *****FEEDBACK****