Dell'Erba, Six commemorative coins of the Norman king William I
Luigi dell'Erba, Six commemorative coins of which two unpublished of the Norman king William I of Altavilla, Tip. of the Royal Academy of Archeology, Letters and Fine Arts, Naples 1935, pp. 15, richly illustrated, 28 cm, br. and.
Extract from: Bulletin of the Neapolitan Numismatic Circle, a. XVI, n. 1, 1935.
Insignificant lack of the front cover, otherwise in excellent condition.