1967 REGISTERED MAIL WILLESDEN TO WEST GERMANY/2/6 CASTLE USAGE. Envelope (231 x 100) sent registered mail Willesden to Dusseldorf, West Germany with 2/6 Castle (fault at foot) and 6d Wilding x 3 cancelled NEASDEN cds's 28 MR 67. Scarcer destination. (Ref 109634).
