I.C.S. Chamba 1887-95 2r, 3r, 5r in blocks of 4, SG19/21Indian Convention States Chamba 1887 95 2r carmine and yellow brown, 3r brown and green, 5r ultramarine and violet in blocks of 4, SG19 21. Brilliant quality unmounted mint with full original gum. The 2r and 3r blocks each with a horizontal gum crease, not affecting lovely appearance. Only 672 of each were originally printed and particularly rare in blocks in this quality. Stanley Gibbons catalogue value: 2,500++. The Indian Convention States stamp