AC/P, MAZDA, BALLOON ENVELOPE, TRIODE, WITH BBC MARKINGS 41MP, ML4, PA1, 41FP, AC/P, 104V, TT4, LF4, 41MXP, AC/P1, 054, CV1689, CV1161, CV1458,
AC/P, MAZDA, BALLOON ENVELOPE, TRIODE, WITH BBC MARKINGS 41MP, ML4, PA1, 41FP, AC/P, 104V, TT4, LF4, 41MXP, AC/P1, 054, CV1689, CV1161, CV1458,
Shows a faded BBC valve stores label on the obverse of the envelope