1902-10 2/6d lilac (regummed, ex Chartwell), 5/- carmine and 10/- ultramarine mint (creased) all with SPECIMEN type 16 overprint, a scarce trio. (S.G....

1911 1d rose-red mint (very lightly mounted) showing a major and very striking misperforation, another with dry print horizontally, a third misperforated...

1911 Somerset House 9d slate purple & cobalt blue (fluorescent ink) in mint n.h. complete pane of 20 (pos. F, from plates H2c/D1), mounted in the margins...

1911-13 Somerset House 10/- bright blue in lower right corner marginal pair mint n.h., from the 1st printing with cuts under the 7th stamp, lovely quality....

1911-13 10s blue mint n.h. lower marginal, fresh and very well centred, incl. two certs from when it was in a block of four (S.G. £2'100).

1911 Privilege Envelope addressed to himself by Capt. W. Windham and signed by him at a later date. 1d Stamp with Windsor Sept 16 special first day of...

1911 Privilege Envelope addressed to W.G. Kirkwood, official representative of the GPO at the Hendon launch of the Aerial Post Event, franked with two...

1911 Privilege Envelope addressed to W.G. Kirkwood, official representative of the GPO at the Hendon launch of the Aerial Post Event. KGV 1d with special...

1911 Souvenir Postcard done exclusively for Capt. Windham and signed by him. Rare burgundy colour from trial printing, very few known. Stamp on reverse...

1911 Complete Newspaper. Special Aerial Post Issue. Tied with Privilege Postcard addressed to Sir W. Campbell, Chief Ranger at Windsor great park. Windsor...

1911. Aerial Post Official Notice produced to announce the details of the Aerial Post Event, framed for protection, only three examples known today. Creased...

1911 Aerial Post, complete group of postcards from the three London collection circuits of mail to be flown from Hendon (each datelined as such); First...

1911 Aerial Post set of six postcards, all in olive-green with the six die numbers used in the cancellation from London, fine.

1911. Postcard believed to be flown in both directions. Posted in London Sep 9 then once delivered taken to Windsor and franked with cut-out of KEVII 6d...

1911. Light Green Proof. London Envelope flown from Windsor Sept 16, planned first day of return flight. Envelope Proofs in various colours were used when...

1911 Aerial Post group of ten photographs from the event, plus one of Hamel at the controls of his Bleriot monoplane taken at a later date, unusual.

1911. Large Daguerreotype photo of Aerial Post van, as used to collect mail from London Department Stores and transport to Hendon Aerodrome.

1911 Aerial Post Sept 9 postmark, first day of the event, complete strike on a KGV 1d block of four, mint n.h. and probably done as a favour, the only...

1911 Aerial Post unused olive-green postcard with "Hendon" replacing "London" in the text below the illustration, though thought to be a forgery by the...

1915 King George V Die Proof of enlarged crown, dated on reverse 8.10.1915 in pencil, an unadopted design by Bradbury Wilkinson; ex "Monarch".

1912 Wmk. Simple Cypher 1/2d green in lower left corner marginal Control 'B' strip of 3, the '12' of 'B12' omitted , hinge remainders, a little perf. separation...

1912 Medal Head bromide by J.A.C Harrison (from his 1912 sketch) inscribed '46 Medal Head' in manuscript, most attractive and very scarce.

1912 1d scarlet colour trial die proof printed on multi crown wmk and gummed paper, 33x76mm, showing plate wear/poor impression, endorsed "132" at lower...

1916-18 Royal Cypher brown-red "paranitraniline red" colour trial in top right corner block of 12 with ms "a" in the margin, plus matching block in dull...

1912 4d Trial of Eve's Wreath Design proof in block of four with the large coinage head (12mm) printed on thin white glazed card previously mounted on...

1913 Waterlow Seahorse 2s6d deep sepia-brown mint l.h. right marginal, couple of shortish perfs, fine (S.G. £400).

1913 Waterlow 2/6d sepia-brown upper left corner marginal example mint (trace of mount only), showing a striking misperforation in margin due to paper...

1913 Waterlow 10s indigo mint n.h. corner marginal, very fine; cert. RPS (1977) and Zanaria (2011) (S.G. £1'500 for mint n.h.).

1913 Waterlow 10s indigo-blue mint with only faintest trace of a hinge, faint horizontal gum bend, fresh with strong colour (S.G. £850).

1913 Waterlow £1 dull blue-green mint n.h., very fine (S.G. £3'800).

1915 De La Rue 2s6d very deep brown mint n.h., very fine (S.G. Spec N64(11)).

1915 De La Rue 2s6d bright yellow-brown mint lower right hand corner marginal block of four, only faintest trace of a hinge at top, light gum bends, very...

1918-19 Bradbury 2/6d chocolate brown in upper marginal block of 8 on piece with neat 'Guernsey 14 OC 19' cds cancels, stamp R1/4 showing the re-entry...

1918-19 Bradbury Wilkinson 10/- Experimental Plate Proof in black on hard unwatermarked paper (ex a 1929 experimental sheetlet of 9 discovered in Australia),...

1913-19 Seahorse mint group of 7 incl. BW 2s6d (2), Waterlow 5s mint (3) and BW 10s (2), some possibly mint n.h., odd gum bend otherwise very fine, plus...

1918 Bradbury 2s6d to 10s and 1935 Re-engraved 2s6d to 10s, unused and mint, plus 1/2d to 1s mint with shades, mixed to fine.

1925 British Empire Exhibition 1d block of 18 with two first day postmarks of 9 May,1925 at top tying the block to a note from the Exhibition Postmaster...

1925 British Empire Exhibition 1 1/2d block of 18 with two first day postmarks of 9 May,1925 at top tying the block to a note from the Exhibition Postmaster...

1929 Postal Union Congress low values in blocks of four on two matching first day covers tied by registered London Chief Office postmarks, a fine pair.

1929 Postal Union Congress £1 and the four low values on Congress note paper with Congress FDI postmarks, perfect condition, scarce; cert. BPA (2024).

1929 PUC 1d mint with '1829' and 1 1/2d with 'Q' for 'O' varieties (trimmed perfs at base), also 1924 Wembley 1d mint n.h. with 'Tail to N'. (S.G. £1125).

1929 UPU Congress £1 black mint n.h. top marginal, slightly yellowish gum, very fine (S.G. £1'100).

1929 UPU Congress £1 black used with light central cds, very fine (S.G. £600).

1936 (Jan 3) large envelope from the Bank of London & South America Ltd sent from London to Argentina with 1929 PUC £1 vertical strip of three and KGV...

1935 Photogravure 1d scarlet with inverted watermark in mint lower left "V / 34" control block of four, cylinder 5R, perf. type 2 with extension holes...

1935 Silver Jubilee 1/2d Plate Proof in black imperforate on gummed, watermarked paper (with normal for comparison), unlisted in SG, very scarce.

1937 KEVIII Accession issue 1 1/2d Essay in scarlet, printed by Harrison on perforated, gummed, watermarked paper, based on a photograph by Bertram Park....

1937 Ed VIII Accession issue 1 1/2d Essay in green, printed by Harrison on perforated, gummed, watermarked paper, based on a photograph by Bertram Park....

1937-47 4d grey-green, unused imperforate top sheet marginal block of four, showing post office training cancel, unusual & scarce.

1965 portrait of Queen Elizabeth II, original artwork by V.G. Pradhan of De La Rue, London, dated 1965, engraved on white cardboard with paper crown glued...