Auction 333-341 Western Australia & Great Britain - Day 3

1902 (Jan 1): 1 d. scarlet, perf. 14, perfin, used on piece, dated 18 May 1905, tied by a First Day of the 'Krag Trial' London WC Experimental Continuous-Impression Machine cancel in black. The town die being in the continental style and with seven straight bars. Top left of adhesive has clipped perfs. otherwise fine. A rare example; one of three examples known. The piece comes with seven other covers all with Krag cancellations from later trials and usage.
Note: The 'Krag' machine was the world's first continuous-impression postmarking machines and was the innovation of a Norwegian company 'Krag-Maskinfabrik A/S.