1947 REGISTERED MAIL LONDON TO THE USA/B.P.A. CACHET. Envelope sent registered mail London to Pennsylvania, USA with KGVI 5d brown (SG469) and ½d pale green (SG485) cancelled 5 DE 47 with privately produced label 'This packet contains postage stamps not subject to Customs duty. May be opened for inspection by U.S.Customs. Value under $100.' With BPA cachet dated 8/12/47. (Ref 101269).
