[xviii], 100 pp. engraved frontispiece portrait of Cardinal de Via by Roccus Pozzi, title printed in red & black and with engraved papal vignette, with engraved illustrations of coins in the text, engraved head and tail pieces. (8vo) 23x17 cm (9x7), period vellum, gilt spine. First Edition
Scarce and only edition of this numismatic study on the coins of the medieval popes (from Hadrianus Ist in the year 772 to Paschalis IInd in the year 1099).