Thailand. (H.S.B.C.)/ 1890. King Rama V: SG 12, 2a green and carmine, SG 16, 12a purple and carmine, SG 50, 10a on 24a purple and blue and SG 51, 4a on 12a purple and carmine each struck with hand-struck 'H.S.B.C.' in violet (Hong Kong & Shanghai Bank). Nice item with Banking security chop.