A. Tkalec AG (Zurich)
Importantissima collezione di medaglie papali in oro (catalogue for an auction conducted by A. Tkalec AG, Zürich, 26 October 2007)
Zurich, A. Tkalec AG, 2007
(26.5 cm),  pp., illustrations (most in colour). 215 lots. List of prices realised loosely inserted. Publisher’s printed wrappers. - An unprecedented sale of papal medals, devoted exclusively to medals struck in gold. Catalogue in Italian and English.