3 royal bronze Burmese opium weights including: (i) beast weight, 1796-1824; (ii) bird weight, 1875-1885; and (iii) beast weight, 1785-1875. Sizes: 1) 3'' x 1.5'' x 1.5'' (8 x 4 x 4 cm); 2) 2.25'' x 1.25'' x 1.25'' (6 x 3 x 3 cm); 3) 2'' x 1.25'' x 1.25'' (5 x 3 x 3 cm). Provenance: Lee and Vichai Chinalai collection.