Czech, Flour Bag Seal, Wittingau / Třeboň, House of Schwarzenberg

Czech, Flour Bag Seal, Wittingau / Třeboň, House of Schwarzenberg, Image by Arsenbronze Eu, Found by Berret.
Found near to city Tábor, Czech Republic, 18mm.

Coat of Arms of the Princely House of Schwarzenberg, inscription around // 3, inscription above

Identified by Arsenbronze Eu as a flour bag seal - Dampfmühle/steam mill in city Wittingau /Třeboň/