1784/3-A Louis XVI 1/2 Sol France Unlisted Overdate Paris Mint Coin (23121005R)
Very Fine Louis XVI France 1/2 sol copper coin.
Official mintage not reported, but rated by Droulers for rarity as "tres peu" = very few.
Apparently unlisted 1784/3 overdate variety (clear in the image).
Copper, 25.5mm, 5.45g.