1913 Waterlow Seahorse master die proof, stage 6, reprinted example in 1973 by Bradbury Wilkinson in greenish blue on laid paper, extremely rare, one of only three known examples that were produced in differing shades of blue, important exhibition item for a Seahorse collection, ex Bradbury Wilkinson archive, cert. RPS (2004) (SG £15'000) (Image)

1913 Waterlow 2s6d Seahorse imperforate colour trial in grey-blue on thin ungummed "JAS WRIGLEY LD-219" watermarked paper, right marginal, very fine and rare (SG from £4'750) (Image)

1913 Waterlow 2s6d Seahorse imperforate colour trial in black on thin ungummed "JAS WRIGLEY LD-219" watermarked paper, right marginal, very fine and rare (SG from £4'750) (Image)

1913 Waterlow 2s6d Seahorse imperforate plate proof in dull blue green on thick glazed card annotated by printer in margin with the frame size "39 x 22.75" is pencil below, very fine and very scarce (Image)

1913 Waterlow 2s6d sepia-brown Seahorse in mint nh block of four, very well centred, very fine and fresh (SG £2'400 as four singles) (Image)

1913 Waterlow 5s rose carmine Seahorse with "SPECIMEN" type 26, mint hr with slightly toned gum, fine (SG £950 in 2019) (Image)

1913 Waterlow 5s rose carmine Seahorse mint nh, very fine (SG £1'300 for mnh in 2019) (Image)

1913 Waterlow 10s indigo Seahorse mint nh, very fine, lovely colour to this shade (SG Spec. N69(2), £2'200) (Image)

1913 £1 Yellowish green colour trial on Joynson experimental paper with "CANCELLED" type 24 overprint, perf.11x12, in mint nh lower marginal block of two complete rows of four of this scarce colour trial printed by Waterlow, a beautiful and rare multiple (SG £24'000+) (Image)

1913 Waterlow £1 green Seahorse, mint nh, one perf. tip lightly toned on the gummed side, very fine (SG £3'750) (Image)

1913 Waterlow £1 deep green Seahorse neatly cancelled by a Guernsey JU.3.1914 cds, very fine with lovely deep colour (SG Spec.N72(2)) (Image)

1913 Waterlow Seahorse £1 green with neat "Beresford St. / Jersey" cds, very fine (SG £1'600 in 2019)
1913 £1 Green "Seahorse". Superb used example printed by Waterlow, beautifully cancelled by a crisp Beresford St./Jersey cds for FE.17.1914. Wonderful fresh colour. (Image)

1913 Waterlow £1 green Seahorse used with 1913 Guernsey cds, very fine (SG £1'400 in 2019) (Image)

1913 Waterlow 2s6d, 5s, 10s & £1 Seahorses mint og, 5s with gum creases and £1 with small gum wrinkle, fine (SG £4'825) (Image)

1913 Waterlow £1 deep green Seahorse mint nh, very fine (SG Spec. N72(2), £6'000)
1913 £1 Green. Very fine and fresh well centred unmounted o.g. example printed by Waterlow. Spec. N72(1). (Image)

1915 De La Rue 2s6d very deep brown (intense shade) Seahorse with inverted watermark, mint nh, a very fine and difficult DLR shade and watermark variety combination, cert. RPS (2001) (SG Spec. N64(11)f, £3'250) (Image)

1915 De La Rue 2s6d yellow brown Seahorse, mint nh, typically patch and slightly toned gum, very fine (SG £550 in 2019)
1915 2s6d Yellow brown. Superb unmounted o.g. perfectly centred example printed by DLR. Spec. N64(2). (Image)

1915 De La Rue Seahorse 2s6d pale yellow brown mint nh, very fine (SG £550) (Image)

1915 De La Rue 2s6d yellow-brown Seahorse with watermark reversed in mint nh left marginal horizontal pair, the left hand stamp also showing "TA" of "POSTAGE" in watermark, light horiz. gum wrinkle not apparent from the front, very fine and scarce watermark variety (SG £3'600+ in 2019) (Image)

1915 De La Rue 2s6d yellow-brown Seahorse with watermark reversed in mint nh right marginal horizontal pair, very fine and scarce watermark variety (SG £3'600+ in 2019) (Image)

1915 De La Rue 2s6d grey-brown (worn plate) Seahorse in mint og left hand marginal block of four showing extreme plate wear, lower stamps mint nh, thin in margin, very fine and scarce multiple (SG Spec. N64(3)) (Image)

1915 De La Rue 2s6d grey-brown Seahorse, mint nh, very fine (SG Spec. N64(3), £700 in 2019) (Image)

1915 De La Rue 2s6d sepia Seahorse mint nh left hand marginal block of four, gum wrinkle on one stamp, very fine (Image)

1915 De La Rue 5s bright carmine Seahorse with "CANCELLED" type 24 overprint, mint nh lower marginal, very fine (SG Spec. N67(1)t, £1'000 for mounted mint) (Image)

1915 De La Rue Seahorse 5s bright carmine mint nh lower right corner marginal pair, perfect perfs, fresh colour, very fine (SG Spec N67(1), £2'200+ in 2019)
1915 5s Bright carmine. Pristine unmounted o.g. perfectly centred corner marginal horizontal pair printed by DLR with perfect perfs. Extremely scarce in this quality. Spec. N67(1). (Image)