1952 ENVELOPE PORTUGUESE POSTAL STATIONERY AND KGVI 2½D PALE SCARLET (SG507). Envelope used London to Beckenham, Kent with Portuguese 25 Reis blue embossed uprated with KGVI 2½d pale scarlet cancelled LONDON 4.JNE.1952 - presumably Robson Lowe playing about again! (Ref 100265).