historical coin 3d model

Create a realistic 3D model of a historical Chilean revolutionary coin: the "Peso Constituyente de Copiapó 1859". The coin is circular and made of aged silver with visible scratches, oxidation and patina from the 19th century. On the front face there is a simple engraved shield outline with a five-point star inside the shield. Below the shield there is a small oval stamp with the engraved letters "I.P.". The engravings are shallow bas-relief carved into the metal surface. The coin has a slightly rounded rim and realistic thickness. Style: historical artifact, worn silver metal, photorealistic material, engraved coin relief, antique Chilean revolutionary coin from the Atacama region.