Papal Coin ID

Hi,
Recently acquired the following coin in a lot. I suspect its a 1/2 grosso from Pope Sixtus V, (The obverse legend reads IXTVS V PON MAX), but I just can't find any known coin with the knight on horseback on the reverse. Does anyone happen to know ID, or can point me in the right direction?

Thanks!

 

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Could this be a possibility @Obone?

https://en.numista.com/catalogue/pieces189465.html

 

https://numismatica-italiana.lamoneta.it/moneta/W-RODG/18

@Bradley Trotter
Thanks for the help! The reverse certainly looks like it, but the obverse legend is a bit different, it has the V after SIXTVS. A tricky one..