Lot 5 P
Great Britain, 1913, King George V "Seahorse", Waterlow printing, 2s6d carmine, perforated color trial plate proof, perf. 11x12 on ungummed paper with no watermark, deep intensely rich color, wide margins and choice centering on bright paper, Extremely Fine. Scott No. 173P.S.G. Spec. No. N63 Proof; £15,000 ($19,500) Estimate $4,000 - 6,000.
AN EXCEPTIONAL PERFORATED COLOR TRIAL PLATE PROOF OF THE 2S6D "SEAHORSE" FROM THE WATERLOW PRINTING IN CARMINE.
Realized: $3,000
Lot 6 P
Great Britain, 1913, King George V "Seahorse", Waterlow Printing, 2s6d black, imperforate color trial on "Wrigley paper", large to huge margins, rich color and proof impression on pristine paper, Extremely Fine, an exceptional example of this rare trial color, ex-Lady Mairi Bury, Licht. Scott No. 173P.S.G. Spec. No. N63 Proof; £5,500 ($7,150) Estimate $1,000 - 1,500.
Realized: $1,050
Lot 7 P
Great Britain, 1913, King George V "Seahorse", Waterlow Printing, 2s6d dull blue, imperforate color trial plate proof, on thin plate glazed paper without gum or watermark, right margin single, huge boardwalk margins, rich color and immaculate freshness, Superb, an stunning example of this rare trial color. Scott No. 173P.S.G. Spec. No. N63 Proof; £5,500 ($7,150) Estimate $1,000 - 1,500.
Realized: $1,100
Lot 8 P
Great Britain, 1913, King George V "Seahorse", Waterlow Printing, 2s6d carmine, imperforate color trial plate proof, thicker wove paper without gum or watermark, wide well balanced margins, brilliant color, Extremely Fine and choice, an eye-arresting example of this rare trial color. Scott No. 173P.S.G. Spec. No. N63 Proof; £5,500 ($7,150) Estimate $1,000 - 1,500.
Realized: $850
Lot 9 P
Great Britain, 1913, King George V "Seahorse", Waterlow Printing, 2s6d dull blue green, imperforate color trial plate proof on glazed card, very clear impression, large beautifully balanced margins, deep color and a razor sharp impression, light card wrinkle at lower left, otherwise Extremely Fine, ex-Licht. Scott No. 173P.S.G. Spec. No. N63 Proof; £5,750 ($7,480) Estimate $1,000 - 1,500.
This impression was taken on December 19th, 1942 before the plate was hardened.
Realized: $850
Lot 10 P
Great Britain, 1913, King George V "Seahorse", Waterlow Printing, 2s6d pale carmine rose, imperforate color trial plate proof, rough plate proof on buff paper, vertical pair, ample to large margins with large vertical pre-printing paper fold, Very Fine; with 2001 A.P.S. certificate. Scott No. 173P.S.G. Spec. No. N63 Proof; £650 for singles ($840) Estimate $200 - 300.
Realized: $250
Lot
11 P
Great Britain, 1915, King George V "Seahorse", Waterlow printing, 2s6d sepia brown, plate proof on buff paper, right margin block of 4 with guidemark, large well balanced margins, rich deep color, Extremely Fine, a choice position multiple. Scott No. 173P. S.G. Spec. No. N63 Proof; £900 for singles ($1,170) Estimate $500 - 750.
Realized: $675
Lot
12 
Great Britain, 1913, King George V "Seahorse", Waterlow printing, 2s6d sepia brown, full o.g., rich deep color, choice centering and margins, Extremely Fine. Scott No. 173. SG No. 400. S.G. Spec. No. N63(3) £300 ($390).
Realized: $160
Lot
13
Great Britain, 1913, King George V "Seahorse", Waterlow printing, 2s6d deep greyish brown on vertically ribbed paper, top margin single, full o.g., well centered amid wide margins, rich color and particularly fresh, Very Fine and choice (Gibbons Specialized cat £750 for ribbed paper); with 2014 Hendon certificate. Scott No. 173b. SG No. 399. S.G. Spec. No. N63b var. Estimate $500 - 750.
Realized: $400
Lot
14
Great Britain, 1913, King George V "Seahorse", Waterlow printing, 2s6d very deep grayish brown, o.g., lightly hinged, rich intense color on bright fresh paper, Very Fine, a very scarce color variety (S.G. Spec. £2750 for very deep sepia brown shade); with 2018 Hendon certificate. Scott No. 173b. SG No. 399. S.G. Spec. No. N63(1) var. Estimate $300 - 400.
Realized: $300