Göbl, Robert, Sasanian Numismatics, Braunschweig 1971, original printing, 97 pages, 12 tables and 16 plates, plus 16 minting tables, softcover with dust jacket, in pristine condition, published in Germany by Klinkhardt & Biermann, translated to English by Paul Severin, a difficult to find original printing of this key reference, still the standard reference for the Sasanian series, English text.
Estimate: 40- 50 USD