Description 56-58, 56 var (64-66, 64aa) 1922-23 2'6d-10' K George V Sea Horses of Great Britain with SG Type 5 in dull to shiny blue-black, Thom overprints, cplt (4) with both shades of the 2'6d, 5' and the pale brown 2'6d with side sheet-margins.