Burma, Burma, Bronze opium weights, Mindon (1853-78), 20 Kyats, 318g, 10 Kyats, 163.97g, both Hantha (duck); Thibaw (1878-85), 20 Kyats (2), To (dragon), square and rounded bases, 320 and 319g (R & S p.34; Mitchiner pp.365-6) [4]. Very fine (£30-50)