Travaini, Lucia, La Monetazione Mell 'Italia Normanna: Nuovi Studi Storici No. 28, Istituto Storico Italiano Per Il Medio Evo, Rome, 1995, 483 pages, 25 plates, softcover. An extensive history and detailed catalogue of the coins of Norman Sicily. Includes an appendix with Arabic legends written out. Nice plates (some photos, some line drawings). Tables of concordances with other catalogues, including Spahr, ex James Farr Numismatic Library.
Estimate: 40-60 USD