Brüder Egger auction catalog "Polnischer Münzen und Medaillen des Herrn Johann Stupnicki.

Wien, 8. Juni 1896. pages 50, items 1472, 2 engravings. Auction of a collection of Polish coins and medals from the collection of Bishop Jan Stupnicki of Przemyśl from the Middle Ages to the 19th century. Introduction in German and Polish, accompanying score list. Bookbinding with preserved original cover. Very good condition. An extremely rare and sought-after item in numismatic literature. Quotations: E.E. Clain-Stefanelli item 11046, CNCE p.380, Gumowski item 453, Kopicki p.644.