Universiteitspenningen - Leiden 1840 - Medal 'Students masquerade: Entry of Jan van Beieren in Leiden 1420' (Dirks560, Hofstee147) - Obv. Two coats of arms and an antique mask / Rev. Field for engravings within legend - copper 31 mm - PR - engraved 'J.E. Criellaert.' - scarce