Great Britain 1873 6d die proof, SG147var Airmail Stamps Most interesting is the cancelation

Most interesting is the cancelation dated on 5th March 1920 prior to the official first day of issue on 1st April 1920 and presumably backdated in error

The only stamps from Malta issued between 1860 and 1885 were the ½d denomination

block of 8 (4x2) from position 8-11 of the setting

A very fine unused example with original gum

Hong Kong 1863-71 brownish grey

Great Britain 1873 6d die proof, SG147var Airmail Stamps Most interesting is the cancelationGreat Britain 1873 6d Die Proof, SG147var Printed in Ultramarine on Glazed Card A superb and very rare die proof of the 1873 6d hexagonal Queen Victoria design, printed in ultramarine on white glazed card, measuring 61 x 92mm. This striking proof showcases the early design concept for the issued 6d stamp, with the portrait of Queen Victoria framed within a finely engraved hexagon, and inscriptions reading POSTAGE and SIX PENCE. Only two or three