Four bronze weights in the shape of Hintha birds also called Brahmanu duck. The birds have only one plume on their heads. Burmese weights were cast by the cire perdue or lost wax process. Since they were to be used as standard measures, great care was taken in weighing the amount of molten metal needed in casting. These four date from the 18th to the 19th century. They weigh 32, 82, 161 and 316 grams. Heights are 2, 4.5, 5 and 6 cms.