The article focuses on the auctions of the Mikulov castle library organised by the company Gilhofer und Ranschburg in the 1930s. It deals with the course of the auctions and their significantparticipants, both public institutions and private persons, with particula attention being paid to Otokar Kruliš Randa.
It also identifies the reasons that led the owner to sell the family property the abolition of fideicommissum, the status of the former nobility in the republican state system and the financial problems caused by the process of land reform.