Heraldic plaque (copy in "Pokrajinski muzej Celje") from original on Savinjska gate in Celje (address: Slomškov trg 7). Dated to 1466 with Habsburg motto  F.I.  A.E.I.O.U.  Austriae Est Imperare Orbi Universo  ("It is Austria's destiny to rule the whole world". Left part is Habsburg fesse coat of arms and rigth part is "Counts of Celje" coat of arms, united under Imperial double-headed eagle.)
<a href="//commons.wikimedia.org/wiki/User:PetarM" title="User:PetarM">Petar Milošević</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>