c.1890 De La Rue Die Proof of a large QV Head, in green on thick card, initialled "IP", 82x112mm. Also reprints of the same head proof in pale green (2, shades), lilac or black on gummed paper. A fine group, the proof on card probably an original proof and scarce. (5). Photo on Page 70. (Image1)

1891 De La Rue Imperium Proofs, two imperforate 6d vertical pairs on Crown CA paper, inscribed "Postage and Revenue", upper stamps with plain background to the value tablet and lower stamps with a lined background to the value tablet, printed in black and red on red paper or grey and green, the last pair with watermark reversed, no gum, fine. Also a Minerva Head sample stamp in red. (5). Photo on Page 38. (Image1)

1907 De La Rue KEVII Proofs produced for the fifth Universal Colour Scheme submission, piece bearing 6d Imperium trial at left with "No 20 - 4s, Duty S.F Red, Head D.F Black" printed alongside, and Nyasaland type 1d trial at right with "No. 47 - 4s, Border D.F Black, Head S.F Red" printed alongside. Photo on Page 72. (Image1)

c.1908 Waterlow Sample Book with "Waterlows, 24 & 25 Birchin Lane, E.C" on the leather cover, containing 21 pages with 194 various postage or revenue stamps or proofs, all mounted with a card surround, 47 Imperforate proofs include 1901 New Zealand 1d Universal in blue, carmine or black and 1897 Mazagan to Marrakech Local Post 5c, 20c, 1p, telegraph stamps of Costa Rica (8) and revenues from Brazil (14), Costa Rica (2), Nicaragua (12) and Guatemala (5). A fine and attractive sample book, each page 200x123mm.

c.1923 Harrison & Sons sample stamps inscribed "SPECIMEN", all perforated, some watermarked, designs comprising Chateau de Chillon in brown and mauve (20) or green and purple (15), St. Nicholas Church, Amsterdam in black and brown (8) or black and green (13), Belgian type (11), Tunisian King (13), Dutch numeral type (9), Rivadavia (4), Luxembourg type in purple (15) or green (11), Robespiere in blue (14) or orange (11), Javanese girl (9), Queen Wilhelmina in carmine (20) or green (18). A rare large group, many in multiples. (191).

c.1923 Harrison & Sons sample stamps inscribed "SPECIMEN", imperforate stamps on gummed paper, some watermarked, comprising Chateau de Chillon in three differing colours (22, including a block of ten), St. Nicholas Church Amsterdam in three differing colours (32, with blocks of eight and ten), Belgian type in four colours (34, with two sheets of ten), Tunisian King in two colours (9), Dutch numeral type in two colours (6), Luxembourg type in five colours (28, with two sheets of ten), Robespiere in three colours (20), Javanese girl in three colours (22, with two sheets of ten), Queen Wilhelmina in five colours (12). These perforated sample stamps were illustrated and described in a 1979 article in "The Philatelist", which stated "some imperfs were also produced, probably as colour trials and proofs, but these are exceedingly rare". A scarce group with thirty differing designs/colours. (185). Photo on Pages 78 & 164. (Image1)

c.1923 Harrison & Sons sample stamps inscribed "SPECIMEN", the fifteen differing perforated stamps, also imperforate Queen Wilhelmina stamps in four differing colours. (19)

c.1923 Harrison & Sons booklet "Collogravure Recess and Surface Printing applied to the Production of Postage and Revenue stamps, Bank Notes and Security Work" containing all fifteen perforated stamps in blocks of ten (11) or eight (4), also a document sample, another page with a further block removed, missing the South Africa page (see next lot). A scarce booklet, containing 142 sample stamps.

c.1923 Harrison & Sons booklet "Collogravure Recess and Surface Printing applied to the Production of Postage and Revenue stamps, Bank Notes and Security Work" containing all fifteen perforated stamps in blocks of ten (11) or eight (4), another page also bearing blocks of ten of the South Africa 1d Springbok essays in three differing colours, also a page with a document sample, another page with a further sample block removed. A rare booklet complete with the South Africa essays (which were nearly always removed from the booklet). (142 sample stamps + 30 essays).

c.1940 King George VI Head Essays by Waterlow Brothers & Layton on gummed unwatermarked paper, imperforate essays in violet (3 pairs), perforated essays in violet (7, with three pairs) or red (5, with two pairs). (18). Photo on Page 128. (Image1)

c.1960 Harrison & Sons folder "Photogravure Postage Stamps Colour Specimens" containing forty numbered cards each bearing a sample stamp, a sailing ship design in twenty differing single colours, and a flower design in twenty differing two, three or four colour combinations. An unusual and scarce complete folder. (40).