1887-1900 Jubilee Issue & 1891 £1 Green. 1887 page from the "Stamp Committee" book showing the jubilee issues to 1/-; some foxing, otherwise fine.

1884 1/2d essay in the adopted design of the 1s, a beautifully executed hand painted stamp size essay on buff paper, mounted on card, a stunning exhibition showpiece, unique; ex De La Rue archives (Robson Lowe lot 73). (Image)

1887 1/2d die proof of issued design in black on glazed card (60x90mm), un-marked, scarce. (Image)

1885 1 1/2d "tablet" essay, a beautifully executed hand painted stamp size essay mounted on card, a stunning exhibition showpiece, unique; ex De La Rue archives (Robson Lowe, lot 36). (Image)

1887-1900 Jubilee issue reply-paid essay with head plate printed in blue in mint n.h. left marginal block of four on crown wmk paper, minor gum wrinkles, fine and fresh. (Image)

1887-1900 Jubilee issue reply-paid essay with head plate printed in blue in mint n.h. top marginal single on crown wmk paper, light gum wrinkles, very fine and fresh. (Image)

1887-92 1 1/2d stamp size die proof of the head plate in black on glazed card. Scarce. (Image)

1887-92 1 1/2d stamp size die proof of the duty plate in black on glazed card. Scarce. (Image)

1885 2d "tablet" essay a beautifully executed hand painted stamp size essay mounted on card, a stunning exhibition showpiece; unique; ex De La Rue archives (Robson Lowe, lot 51). (Image)

1886 2d die proof of the unissued duty plate (solid background) in black on glazed card (60x90mm) marked "BEFORE HARDENING" and dated "31 MAR 86" in black. Scarce. (Image)

1886 2d die proof of the unissued duty plate (engine turned background) in black on glazed card (60x90mm) marked "BEFORE HARDENING" and dated "31 MAR 86" in black. Scarce. (Image)

1886 2d die proof of the issued duty plate (lined background) in black on glazed card (60x90mm) marked "BEFORE HARDENING" and dated "25 MAY 86" in black. Scarce. (Image)

1887-92 2d stamp size die proof of the issued duty plate in black on glazed card. Scarce. (Image)

1887-92 2d stamp size die proof of the issued head and frame plate in black on glazed card. Scarce. (Image)

1887-1900 Jubilee issue 2 1/2d colour trial in green on yellow paper, line perf.14 all around, mint l.h., very fine and fresh, very rare; ex Weiss and BesanÁon. Note: The colour trials of the 2 1/2d, 3d and 6d were produced by De La Rue for a report to d (Image)

1885 3d essay submitted by G. R. Smith, a beautifully executed hand painted stamp size essay on buff paper, mounted on card, a stunning exhibition showpiece, unique; ex De La Rue archives (Robson Lowe, lot 17). (Image)

1887-92 3d stamp size die proof probably intended for the striking book in black on glazed card. Scarce. (Image)

1887-1900 Jubilee issue 4d De La Rue composite die proof, with the first rejected die for the duty plate (alternate shading of the values) in black on glazed card, reduced to stamp size, with head plate die proof cut to shape and hinged in place, reverse (Image)

1886 4d die proof (1a) of the duty plate (the upper corner values inverted) in black on glazed card (60x90mm) marked "BEFORE HARDENING" and dated "17 MAR. 86" in black. Scarce. (Image)

1887-92 4d stamp size die proof of the duty plate (die 1b) in black on glazed card. Scarce. (Image)

1887-92 4d stamp size die proof of the head plate in black on glazed card. Scarce. (Image)

1887-1900 Jubilee issue 4 1/2d De La Rue die proof of the head plate in black on glazed card, 92c61mm, endorsed "BEFORE HARDENING" and dated "25 MAY 92", very fine; ex De La Rue archives and "BesanÁon". (Image)

1886 5d die proof of the duty plate (2nd Die, Die 6) in black on glazed card (60 x 90mm.) marked "BEFORE HARDENING" and dated "9 NOV. 86" in black. Scarce. (Image)

1887-92 5d stamp size die proof of the duty plate in black on glazed card, endorsed "2nd. Die". Scarce. (Image)

1887-92 5d stamp size die proof of the head and frame plate in black on glazed card. Scarce. (Image)