Seahorse

Seahorse, or Sea Horse, is the nickname for the issues of Great Britain high values during the reign of George V. They were also overprinted for some colonies and offices.

In some cases, the colors can sometimes separate the printings.  File:GB pound Seahorse.jpg|£1 value (Waterlow printing only). Do not use any of these images to compare relative sizes with each other. File:GB 2sh6d DLR Seahorse.webp|2/6 De La Rue print. Note the wide corner perfs File:Nauru seahorse DLR.jpg|Nauru 5/- De La Rue print File:GB 5sh Bradb Seahorse.webp|5/- Bradbury Wilkinson print – expand image to see the characteristic margin dot. Yes, this is partly oxidized. File:GB KGVI 2 and 6.jpg|2/6 Harrison print File:GB 5sh Harr Seahorse.webp|5/- Harrison print 
 * In 1913, the first issues were printed by Waterlow. Only the £1 value was printed by them. The design including frameline measures 22.1mm in height.
 * The 1915 issue was printed by by De La Rue. It also measures 22.1mm tall. The gum is generally patchy and yellowish. The corner perf teeth are wide. 2/6 values can be somewhat to very worn prints with some retouching possible. The 5/- also have worn prints as do some of the 10/- values.
 * The 1918-19 printings were done by Bradbury, Wilkinson. They measure 22.6mm tall or slightly more, often with a dot just outside of the center of the top frameline.
 * The 1934 issue was printed by Harrison. It is immediately distinguishable by having diagonal lines added to the backgrounds behind the portraits.