Gear, Donald & Joan, Earth to Heaven: The Royal Animal-shaped Weights of the Burmese Empires, Chiang Mai 1992, 320 pages, softcover, complex work on the Bird and Chinthe weights of the Mon and Burmese kingdoms: origin, symbolism, typology, dating. Does not deal with other "zodiac animal" types. Well illustrated.
Estimate: 20-30 USD