With a reconstructed drawing of the reverse of the large hanging double-sided seal of King Tvrtko, which was used for the creation of coat of arms of the Republic of Bosnia and Herzegovina.svg). You can see the original used by King Dabšia in this post, in the second picture: Obverse and reverse of the large hanging double-sided seal of King Stefan Tvrtko, which was used by King Stefan Dabiša.
https://i.redd.it/o2c73kelbemg1.png
Posted by filius_bosnensis