David Feldman Great Britain & British Empire December 13 2019

128 Lot N° Symbol(s) / Photo Page Cat. N° (SG) Estimate ( £ ) Great Britain & British Empire 50516 DCE P 417 1929 10s Seahorse experimental plate proof, imperforate block of four of the rolled impression with outer frame lines incomplete, printed in black on thick wove card at the Royal mint as an experiment into alternative methods of plate production, rare, only four sheets of nine discovered (See SG Spec. Vo.2 p.180, £32’000+) 6’000 - 9’000 1924-36 Issues 50517 F / 112 1917-36, Group of eight covers with KGV frankings, with airmails incl. cover via Russia to China, 1933 3rd South America Zeppelin flight, 1933 South America-Chicago flight, censored cover posted aboard HMS Lucia (submarine), pair of 1 1/2d postage dues on unfranked cover, 3-colour franking cancelled British A. P. O. Constantinople, 1 1/2d “PENCF” variety on cover (repaired corner at top right), cover to South Africa with “Diverted to Ordinary Mail...” instructional hs, plus KEVII franking on Canadian Forces’ Vimy Ridge memorial cover (9) 340 - 400 50518 50519 50520 50518 C 418wi-429wi 1924-26 Wmk Block Cypher 1/2d to 1s mint og set of twelve with INVERTED WATERMARK, a very fine and difficult set to assemble, the 10d and 1s with certs RPS (2003) 700 - 1’000 50519 C S 418s 1924-26 Wmk Block Cypher 1/2d green with “SPECIMEN” type 32 overprint, mint og (only light hinge trace), very fine and scarce (SG Spec. N33ua, £2’000) 300 - 400 50520 C 420 var 1924-26 Wmk Block Cypher 1 1/2d Red-Brown right hand marginal showing variety imperf. between right side and margin, mint og, very fine and scarce (SG N35(1)f, £1’500) 300 - 400