1904 REGISTERED MAIL LONDON TO USA/POST OFFICE CACHET AND WAX SEAL. Fine KEDVII 3d red-brown registered envelope London to Rockford Illinois USA uprated with KEDVII 4d brown and green cancelled REGISTERED/LONDON CHIEF OFFICE date stamps 26 JAN 04. On front fine strike /POST OFFICE/CROWN/SECRETARY' cachet in purple and large part 'REGISTRY/G P O' red was seal. Illinois receiver on reverse. Unusual. (Ref 56014).