1879-80 8c. De La Rue die proof in black on glazed card (92x60mm), dated "Nov 6 1877", with pencil notations noting imperfections in the die (which are...

1879-80 8c. De La Rue die proof in black on white glazed card, endorsed dated "Nov 8 1877", fine; ex John Wilson and "Port Louis".

1879-80 13c. De La Rue die proof in black on white glazed card, dated "Nov 13 1877", fine; ex "Port Louis".

1879-80 13c De La Rue die proof in black on white glazed card, dated 'Nov 16 1877", fine; ex "Port Louis".

1879-80 17c. De La Rue die proof in black on white glazed card, endorsed "BEFORE HARDENING" and dated "Dec 20 1877", fine.

1879-80 25c. De La Rue die proof in black on white glazed card (90x60mm) endorsed "BEFORE HARDENING" and dated "Nov. 2 1877", fine; ex "Port Louis".

1879-80 25c. De La Rue die proof in black on glazed card (92x60mm), dated "Oct 31 1877", fine; ex "Port Louis".

1879-80 38c. De La Rue die proof in black on glazed card (92x60mm.) marked "BEFORE HARDENING" and dated "Nov 24 1877", fine; ex "Port Louis".

1879-80 50c. De La Rue die proof in black on glazed card (92x60mm), dated "Dec 5 1877", fine; ex Marion and "Port Louis".

1879-80 50c. De La Rue die proof in black on glazed card (92x60mm.), endorsed "AFTER HARDENING", and dated "Dec 11 1877", fine; ex "Port Louis".

1883-94 De La Rue master die proof with blank value tablet, in black on glazed card (92x60mm), endorsed "AFTER HARDENING", dated "20 SEP 83" and additionally...

1883 16c surcharge (type 28a) on 1879-80 17c rose, mint large part o.g., tiny surface blemish to left of nose mentioned only for accuracy, otherwise fresh...

1895-99 and 1900-05 Arms (small format) group of 3 striking book pieces, one with master die proof with blank value tablet in black on glazed card initialled...

1895-99 "Arms" set of 6 to 18c, two sets each overprinted "SPECIMEN", the first set mounted on album page pieces almost certainly from the Natal P.O. Archive,...

1895 Arms hand painted essay of the low value format in blue showing "3 cents" value crossed through in red, on thin card (90x92mm) and endorsed ""Key"...

1898 Diamond Jubilee, photographic essay of the finished design, stamp-size, affixed to card (114x89mm) dated "Sept 1st 97", two pinholes at top well clear...

1898 Diamond Jubilee, Arms and crown only with square uncleared surround, in black on glazed card (34x48mm), endorsed "14.10.99 for punch" in pencil, fine;...

1897 (Oct) Arms central die proof with uncleared surround, in black on glazed card (92x60mm), endorsed "BEFORE / HARDENING" and dated "20 Oct 97" in blue,...

1898 Diamond Jubilee, die proof of the complete design with blank value tablet in black on glazed card (58x43mm), dated "8.12.97" in pencil, fine; ex De...

1898 Diamond Jubilee De La Rue striking book piece, with die proofs of the complete design with blank value tablet and "THIRTY SIX CENTS" value tablet...

1898 Diamond Jubilee, De La Rue die proof of the complete design with blank value tablet in black on glazed card (92x60mm), endorsed "AFTER STRIKING",...

1899 6c on 18c green and ultramarine with variety surcharge inverted along with normal on a 4c. on 36c. stationery envelope piece, all tied by Mauritius...

1899 6c on 18c green and ultramarine with variety surcharge inverted, tied to small piece by Mauritius cds (14.6.1900), fine; ex Marion and "Port Louis"...

1899 6c on 18c green and ultramarine with variety surcharge inverted along with a normal 6c on 18c on 1899 (14 June) locally addressed 4c on 18c stationery...

1899 (Dec.) Mahe de la Bourdonnais Bicentenary essays, 18c. composite stamp-size essay with photographic head in brown and frame printed in blue in a design...

1899 (Dec.) Mahe de la Bourdonnais Bicentenary essays, 18c. composite stamp-size essay with head and frame printed in blue in a design later modified for...

1899 (Mar.) Mahe de la Bourdonnais Bicentenary essays, 18c. composite stamp-size essay with photographic head in black and frame printed frame in brown...

1899 (13 Dec.) Mahé de la Bourdonnais, two 15c. De La Rue copper plate stamp size composite essays in deep and light blue mounted on card and dated "March...

1899 (April) Mahé de la Bourdonnais, 15c in ten different imperforate colour trials in ultramarine (as issued), yellow, carmine, myrtle-green, indigo,...

1899 Mahé de la Bourdonnais complete stamp size die proof in myrtle-green on thick surfaced wove paper, a very rare and beautiful proof; ex Kanai and "Port...

1899 (29 May) Mahé de la Bourdonnais (15c.) die proof in black on surfaced wove paper (49x54mm) with complete die sinking, a progressive proof with blank...

1899 (13 Dec.) Mahé de la Bourdonnais, 15c. stamp size die proof in indigo on thin wove paper, engraved "SPECIMEN" in reverse above the impression; rare;...

1899 Mahé de la Bourdonnais colour trial in slate on unwatermarked wove paper, rare; ex De La Rue Archives and "Port Louis".

1899 (13 Dec.) Mahé de la Bourdonnais 15c. die proof in vermilion on thick surfaced wove paper, plus 15c. blue overprinted "SPECIMEN", fine and scarce;...

1899 (13 Dec.) Mahé de la Bourdonnais, 15c. selection comprising stamp-size proof in black on thick paper, one overprinted "SPECIMEN", two mint (one with...

1900-05 Arms 5c die proof of the value tablet with manuscript "Maurs" in red ink above, in black on glazed card (92x60mm), dated "22 JAN. 97", fine; ex...

1900-05 Arms 8c De La Rue die proof of the value tablet in black on glazed card (92x60mm), with manuscript "Maurs" in red ink above, dated "22 JAN. 97",...

1900 (Jun) 12c. De La Rue die proof of the value tablet in black on glazed card (92x60mm), dated "26 JUN. 00" in blue, very fine; ex "Port Louis".

1900-05 Arms 15c De La Rue die proof of the value tablet in black on glazed card (92x60mm) with manuscript "Maurs" in red ink above, dated "22 JAN. 97",...

1900-05 Arms 25c De La Rue die proof of the value tablet in black on glazed card (92x60mm) with manuscript "Maurs" in red ink above, dated "22 JAN. 97",...

1900-05 "Arms" master die proof with blank value tablet in black on glazed card, stamp-size, scarce; ex Marion and "Port Louis".

1900-05 "Arms" perforated colour trial in purple with blank value on wmk multi CA paper, overprinted "SPECIMEN", several faults but unique; ex De La Rue...

1900-05 Arms issue, De La Rue Appendix sheet date Aug 12 1895 mounted with 11 different 3c. colour trials with purple head plate, plus a green head plate...

1900-05 Arms 2r50c imperf. colour trial in green on white with handpainted "2Rs 50Cts" in red in the duty tablet, affixed to small archive piece, possibly...

1900-05 Arms issue, De La Rue Appendix sheet B (from the May 20th 1897 submission by De La Rue to the Crown Agents) mounted with six different 1R colour...

1900-05 Arms issue, 8 large Arms imperforate colour trials in various denominations and colours each affixed to archive pieces of De La Rue appendix sheets...

1900-05 Arms issue, De La Rue Appendix sheet B, with imperforate colour trials on coloured and white papers, 24 different low values all denominated 1...

1900-05 Arms De La Rue Appendix C sheet (in two parts) with chosen colours for the original 14 values represented by imperforate colour trials (one cent...

1900-05 Arms issue, De La Rue Appendix sheet D, undated, mounted with 9 different 1c. and 5 different 1r. colour trials, a spectacular and unique page;...

1900-05 Small Arms group of four 1c imperf. colour trials on gummed watermarked paper, incl. green on yellow with the duty plates in black or blue (small...