A Liard coin from France of Louis 14th with Mint letter A (for Paris).
I think this one - date on right of obverse so not readable on yours ...
https://en.numista.com/catalogue/pieces3317.html 1655-1658
Probably not these three ...
https://en.numista.com/catalogue/pieces1313.html Older portrait
https://en.numista.com/catalogue/pieces37813.html No A mint letter
https://en.numista.com/catalogue/pieces37068.html No A mint letter
· L · XIIII · ROY · DE · FR · ET · DE · NA · [date] ·
(Louis XIV Roi de France et de Navarre)
(Louis 14th, King of France and of Navarre)
https://en.wikipedia.org/wiki/Navarre (an area in northern Spain)
I marked in green most letters visible and rest unseen in yellow ...