Unknown medieval coin

[pinpoint]

Friendly ask for help te determine this medival coin

Diam. 10 mm , Silver . Found in Hungary , Lake Balaton
Front : Crowned King with staf left , half moon right , letter B left , unknown letter right
Reverse : Dragon . head to the left

Any info is welcome !

Greetz from the Netherlands , Pinpoint

[leodux]

Hi Pinpoint,

congratulations, that's a nice find.
It is a Hungarian denar of King Bela IV. (1235-1270).
Unger 249; Huszar 334
Unger says that this denar is rare (RRR).

Cheers,
Peter

[pinpoint]

Hoi Peter ,

This is unfortunately not my coin .
The owner is ferry happy with this find.
Thanks for your help !

Greetz from the Netherlands , Pinpoint