Mixed sale of old master drawings and prints featuring works by classic artists such as Albrecht Dürer, Rembrandt van Rijn and Giovanni Battista Piranesi; auctions include works from the beginnings of printing through the 19th century. Preview exhibitions held 20–24 March 2026. Original time zone: 27 Mar 2026 10:30 AM CET. Listing: https://www.kollerauktionen.ch/en/departments/old-master-prints/