1923 MAIL USA TO LONDON RE DIRECTED TO SWITZERLAND/COMBINATION US AND GB STAMPS. Envelope Ithaca N.Y. USA to Pall Mall London with US 2c red embossed uprated with US 2c stamp USA cancels. Re directed to Switzerland with GB 2½d blue (SG372), fault at foot, tied LONDON squared circle 13 AU 23 with AROS Swiss receiver 5.VIII 23 alongside. Filing fold clear of stamps. Unusual. (Ref 64730).