Lot 60293 – 1928 (Oct 29) Wilkins Antarctic Expedition cover with Falkland Islands 1d, re-used in 1931 and carried on the Wilkins-Ellsworth Trans-Arctic Submarine Expedition,

1928 (Oct 29) Wilkins Antarctic Expedition cover with Falkland Islands 1d tied by Port Stanley cds and “Deception Island” cachet adjacent, then re-used in 1931 and carried to England on the Wilkins-Ellsworth Trans-Arctic Submarine Expedition, with large violet cachet, franked with KGV 1 1/2d tied by London cds to the US, then redirected to New York; cert. BPA (1969).