Heiss, Aloiss, Descripcion General de las Monedas Hispano-Cristianas desde la Invasion de los Arabes, Three Volumes, originally published in Madrid, 1865-1869, reprinted in Zaragoza, 1962. The old standard reference on post-Islamic Spain. The coin descriptions include full legends, and there are wonderful line drawings of the coins. A great reference that has not been replaced by more modern references like Cayon and Castan. The reprint is well done, set of 3 volumes, ex James Farr Collection Library.
Estimate: 75-100 USD