Gilbert and Ellice. (Christmas Island). 1959. Registered Air Mail envelope addressed to England bearing Gilbert SG 53, 2/6d green and blue tied by Christmas Islands date stamp '31st Oct' with framed 'R/ G. & E.I.C. Christmas Is.' hand-stamp and instructional 'Insufficiently/ Prepaid For Airmail' on face and reverse in carmine with Derby arrival '8th Dec 59' on reverse. Nice item of underpaid mail from Christmas Island.