Hungarian, Flour Bag Seal, Seal, Image by StuE, Found by Tattooed Detectorist.
Number 0 on one domed side and three lines of writing across the middle with possibly more but illegible curved around the border. Middle line is ?AS?LO with ??GOZ beneath.
Hungarian flour bag seal.
The 0 suggests it is a flour bag seal:- "Flour used to be categorised into '00', '0', '1' and '2' grades, '00' being the finest and whitest and working down to the almost wholemeal grade '2' flour."