Cunningham, Alexander, Coins of the Indo-Scythians, Originally published London, 1888, 1889, 1890, reprint by Indological Book House, Delhi, 1971, hardcover. A collection of papers on ancient India originally published in the Numismatic Chronicle. Part I is a general introduction with tables of monograms, legends and titles. Subsequent parts cover the Tochari, Kushans or Yue-ti, the Sakas, King Miaus (or Heraus), Kushans or Great Yue-Ti (again). The plates are on the good side of mediocre, and there are many tables of coins descriptions and much historical background, ex James Farr Collection Library.
Estimate: 15-25 USD