Great Britain 1915 5s bright carmine "Seahorses" (watermark reversed), SG409wjGreat Britain 1915 5s bright carmine "Seahorses" (watermark reversed), SG409wj. A very fine unmounted mint example, with full original gum and stunning colour, of this rare De La Rue watermark printing variety. GB Specialised Catalogue No: N67(1)c. The Seahorses stamp issue is, arguably, the most beautiful stamp ever designed. At the time of first issue in 1913, they represented a miniature piece of propaganda on the eve of the Great War. They portray