On the French side I found this request from three years ago - both sides similar to yours ...
https://fr.numista.com/forum/topic12008.html
A coin of Louis XII of St-Pourçain
which gives more similar images ...
https://www.google.co.uk/search?q=coin+Louis+XII+of+St-Pour%C3%A7ain&biw=1280&bih=923&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiFpsbL37vJAhUBFxQKHQZmCTcQ_AUIBigB
Then also similar to this
https://fr.numista.com/catalogue/pieces30979.html
from this page
https://fr.numista.com/forum/topic24408.html
though the centre of the cross is not the same exactly; and another like that I have seen described as
'This example is believed to have been made in Tournai, at the time a French city (today it is part of Belgium) - this style dates from circa 1415 - 1497'
The reverse is described as
'a quatrefoil cross centered in a quatrefoil decorated with four finials'
or ' triple stranded straight cross fleuretty in four arched tressures'.
I have also seen similar to yours but with different obverse Lombardic script lettering.
Obverse: Three fleur-de-lis in dotted shield within dotted border, garbled legend around.
Reverse: Large floriated cross in quatrefoil.
Finally, this is the closest I could find ...
http://gilliscoins.com/coinage/jetons/wj7423.htm
and I agree with them that it has a fictitious obverse lettering, as I could not work it out.
This is as far as I got; green for probably and brown for maybe ...
+ D?NANTAT ? IT ?? DETAI so is jumbled random letters, like was on some tokens of that time.