That’s helpful. It looks like a generic fantasy imitation of Islamic gold coins of the former Ottoman Empire. Something like this (alongside a real gold coin to give you an idea of the kinds of coin they were loosely copying).
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These base metal imitations are commonly known as ‘belly-dancer’ coins from their use as adornments by dancers in Turkish, Middle-Eastern and North African regions, but were also widely used to decorate belts, shawls, and the necks of blouses… in particular by Roma (Romani) people and more particularly those who have historically resided in places which were part of the Ottoman Empire.
‘Romani’ is neither a nationality nor a religion. It’s an ethnic group that has populations in a number of countries and they have tended to adopt either Christianity or Islam as a religion depending mainly on whether they live(d) in places that were part of the former Ottoman Empire and how recently they escaped from it as the Empire progressively collapsed from the late 1800s to its demise in 1923.
If you put that together with the ‘gypsy’ nature of the folk costume, the likely origins would be Albania, Bosnia & Herzegovina, Kosovo, North Macedonia (having significant Muslim populations) or Armenia, Bulgaria, Romania, Serbia (having much less significant Muslim populations but nevertheless under Ottoman rule until the collapse began).
That still only gives you the possible origin of the folk costume style rather than necessarily the origin of the doll itself. The USA has a substantial number of people of Romani descent who arrived as immigrants, bringing their cultural identity with them, so that’s another possibility.
