1963 REGISTERED AIR MAIL LONDON TO USA/METER MARK/EX SPINK. Fine QEII 1/9 grey registered envelope London to Atherton California, USA uprated with 0/10 meter mark dated 25 X 63 with ST. JAMES'S ST cds. On front MENLO PARK/CALIF date stamp NOV 20 1963. (Ref 109700).