Dutch gold florin / gold rider, Duchy of Guelders, Duke Karel van Egmond, Nijmegen mint, 1492-1538. 

Obverse:  Knight on horseback brandishing a sword within the legend KARLOVS.DVX.GELR.ICL.C.ZV.
Reverse: Shield containing arms of Gelderland over short floriate cross. Punctuation by annelets and saltires. Latin script as a border:  MON ⸰ NOVA × AVREA ⸰ DVCIS × GELR'. 
A fine, perfectly centered bold strike with all legends and borders in tact. This coin weighs 3.22 gms.