Thailand. (H.S.B.C.). 1900. King Rama V: SG 16, 12a purple and carmine, SG 50, 10a on 24a purple and blue, SG 69, 2a scarlet and pale blue and SG 76, 10a ultramarine each stamp struck with hand-struck 'H.S.B.C.' in violet (Hong Kong & Shanghai Bank). Nice item with Security chop.