Vintage solid gold COIN 8K miniature in wood frame for collection Maximiliano
Vintage solid gold COIN 8K miniature in wood frame for collection Maximiliano Emperador. Diameter: 0.3 inch / 1.1 cm. Diameter of the frame: 2.8 inches. 8k gold could tarnish from sulfur and ammonia in the atmosphere. Copper, in particular, likes to react with oxygen (moisture) and this can lead to discoloration or tarnishing greenish to brownish. This is normal process. The coin is over 40 years old. From my personal collection.