Koch, Heidemarie, A Hoard of Coins from Eastern Parthia, American Numismatic Society, Numismatic Notes and Monographs No. 165, New York, New York, USA, 1985, 88 pages, hardcover, this book provides full documentation of the Getty Museum's unusual collection of coins minted in the mysterious kingdoms of eastern Parthia and dating from the first two centuries A.D.
Estimate: 10-15 USD