
Made of black felt and dating from c.1900, the hat displays the imperial double-headed eagle and the emperor’s initials embossed in gold to the inside.
It is one of a number of personal items formerly owned by the emperor and other members of the Austrian imperial family that are to be offered for sale.
Other lots include Franz Joseph’s pince-nez, cigar holder and a pair of black silk socks.
Estimate €3000-6000.