- The Prague grossus struck under John of Luxembourg, Castelin type no. II. 4 – rare variety2013 | First Faculty of Medicine
- Contemporary forgeries of Prague grossi struck under Wenceslaus II.2013 | First Faculty of Medicine
- Another variety of the marginal legend of the Prague grossus struck under Wenceslas II.2013 | First Faculty of Medicine
- Two interesting variaties of the marginal legend of the Prague grossi struck under John of Luxembourg.2013 | First Faculty of Medicine
- Several unknown varieties of Prague grossi struck under John of Luxembourg and group IV. of Castelin’s typology2013 | First Faculty of Medicine
- Prague grossi struck under Wenceslas IV. found near the Ivano-Frankivsk in Ukraine.2013 | First Faculty of Medicine
- A rare variety of the Prague grossus struck under John of Luxembourg and the sixth typological group by Karel Castelin.2012 | First Faculty of Medicine