Great Britain, "London, Mar 17, 2-30P, 1898, England" Involute Flag Cancel. Complete strike tying 1887, ½d vermilion on cover to Rotherhithe, receiving backstamp; allover cover toning, still a Very Fine strike, a Great Pioneer Machine Cancel Rarity, With This Being the Unique on Cover Example of The London Experimental Flag Machine Postmark. SG No. 197  Estimate $1,000 - 1,500. Mr. Martin V.B. Ethridge approached the British Post Office in 1898 and attempted to sell them his rapid postmarking machine manufactured by his new company, Empire Canceling Machine Company. Trials for this machine were held only four days, March 15, 17, 18 and 21, 1898, for one hour each day with only 3,200 pieces of mail canceled. This is Britain's only pioneer machine cancel in her flag's design ever to be used on mail. Four other examples are known of this postmark are known - one on a postal card, one on a cover front and two cutouts from envelopes. As this is the only complete and intact, receipt marked survivor of the only usage of a flag cancel in any land's history, writer's have called this "The Rarest Flag Cancel in the World". . $0 (Image)

Great Britain, 1840, 1d black. Position OK, red Maltese cross cancel, large well balanced margins, Very Fine and choice. Scott No. 1. SG No. 2  £275 ($445). $0 (Image)

Great Britain, 1840, 1d black. Letters NE, full even margins, tied by red Maltese cross cancel on 1d Mulready envelope addressed to Suffolk, reverse with partial Wollpit cds; small part of backflap missing from wax seal removal and central file fold not affecting stamp, otherwise Very Fine; with 1984 P.F. certificate. Scott No. 1. SG No. 2  Estimate $300 - 400. $0 (Image)

Great Britain, 1840, 1d black. Position HA, clear to large margins, tied by Maltese cross cancel on 1840 cover to Bath, reverse with red "Drumsna" straight line origin postmark (Ireland), Dublin and London transit backstamps; couple small cover tears at bottom, F.-V.F. Scott No. 1. SG No. 2  Estimate $150 - 200. $0 (Image)

Great Britain, 1847, 1s green. Ample margins to just touching, tied by numeral barred oval handstamp on cover to Boston, Mass., red "5 cents" over "2" rate handstamps, red "Br. Packet Boston Paid" handstamp., Very Fine and attractive. SG No. 55. Scott No. 5  $1,100. $0 (Image)

Great Britain, 1862, 4d bright red. Tied by mostly clear strike of "International Exhibition, Au 7, 62" duplex cds on folded letter to Landes, France, Calais and Paris transit postmarks, Very Fine, very scarce. Scott No. 34 var. SG No. 79  Estimate $300 - 400. $0 (Image)

Great Britain, 1864, 1d rose red. Plate 114, tied by "Bristol, De 20, 69" duplex postmark on locally addressed front with hand painted allover scenic design; vertical fold creasing stamp, otherwise Very Fine. SG No. 43. Scott No. 33  Estimate $100 - 150. $0 (Image)

Great Britain, 1864, 1d rose red. Tied by "London, 23 AU, 72" Azemar Machine postmark on folded letter to Edinburgh, Very Fine. SG No. 43. Scott No. 33  Estimate $100 - 150. $0 (Image)

Great Britain 1878 Lord Beaconsfield (Benj. Disraeli) ALS. $0 (Image)

Great Britain, 1884, 2½d lilac. Tied by "London, Nov 25, 1886" Ethridge Machine Postmark on cover to France; small cover tone spots, a Very Fine strike, very rare. Scott No. 101. SG No. 190  Estimate $500 - 750. The American Postal Machines Company of Boston, Massachusetts, furnished the British Post Office in London with one of their "Ethridge" steam-powered postmarking machines for testing in 1886. The Post Office rejected the machine because of its size, its high cost and little or no advantage compared to Hoster Machines being concurrently tested. $0 (Image)

Great Britain, 1887, 1½d dull purple & pale green. Top margin block of 8, o.g., never hinged, fresh color, vertical pair on right with light hinge marks, Very Fine. SG No. 198 £120 ($194). Scott No. 112  $128 for hinged. $0 (Image)

Great Britain, 1887, 6d purple on rose red, block of 4, o.g., never hinged, pristine color & gum, Very Fine. SG No. 208 £120 ($194). Scott No. 119  $130 for hinged. $0 (Image)

Great Britain, 1887, 9d dull purple & blue. Interpanneau corner margin block of 4 on Repp paper, outstanding freshness & color, Very Fine; with 1980 P.F. certificate. SG No. 209 £240 ($388). Scott No. 120  $260 for hinged. $0 (Image)

Great Britain, 1890, 10d dull purple & carmine. Tied by 1902 "Registered Thread Needle St, BC.EC." oval date stamp on 2d blue registry entire to Germany, Breslau receiving backstamp, Very Fine. Scott No. 121. SG No. 210  Estimate $150 - 200. $0 (Image)

Great Britain, 1890, 1d Penny Post Jubilee Envelope First Day. Uprated with 1887, ½d vermilion + 3d violet on yellow paying the registry rate to Germany, all tied by "Old Trafford, Manchester, Jy 2, 90" cds's, registry oval date stamp, Very Fine. SG No. 197+202  Estimate $100 - 150. $0 (Image)

Great Britain, 1891 Royal Navy Exhibition, London S.W. Special blue 1891 slogan cancel on ½d postal card, reverse with Eddystone Lighthouse illustration and exhibition print; light toning on reverse, otherwise Very Fine. Estimate  $100 - 150. $0 (Image)

Great Britain, 1902, £1 dull blue green, De La Rue printing. In combination with 1902-10, ½d yellowish green + 1sh dull green & carmine, pair + 5sh bright carmine, two singles + 10sh ultramarine on registered part paste-up cover to Columbia, S.C., all canceled by "Edinburgh, George Street, Au 23, 05" cds's; £1 with nibbed corner perf and blue crayon registered marking lightened, F.-V.F., a rare high franking cover. SG No. 266+218+257+263+265  Estimate $750 - 1,000. $0 (Image)

Great Britain, 1906, 4d green & chocolate brown, chalky paper. De La Rue printing, right margin block of 6, pristine never hinged, Very Fine; with 1980 P.F. certificate. SG No. 236a. Scott No. 133  $345 for hinged. $0 (Image)

Great Britain, 1941 Salved From The Sea. Violet handstamp on wreck cover franked with 2½d definitive canceled by "London, Jan 16, 1941" machine postmark, addressed to Cairo, Egypt with Cairo, 25 Jne receiving backstamp, Very Fine, This mark is mentioned in Hopkins as used on mail recover from the S.S. Heinan destined for England in 1940. Estimate  $100 - 150. $0 (Image)

Great Britain, Royal Navy Exhibition, London S.W., Post Office, Eddystone Lighthouse, 11 Ju, 1891. Blue commemorative cds on 1878 ½d red brown postal card with illustrated lighthouse on reverse, Very Fine. Estimate  $150 - 200. $0 (Image)