1945 REGISTERED MAIL LONDON TO THE USA. Envelope sent registered mail London to Pennsylvania with KGVI 2½d light ultramarine (SG489) and 3d pale violet (SG490) cancelled NEWMAN STREET/REGISTERED hand stamp, BPA cachet dated 31/7/45 and privately produced label "This package contains Postage Stamps not subject to customs duty. may be opened for inspection by U.S. customs. Value under $100". Unusual and attractive. (Ref 99783).