1965 Sudbury, ON, Medallion: Centennial Model Mine (Nickel Colour) May have corrosion

1965 Sudbury, ON, Medallion: Canadian Centennial Model Mine (Nickel Colour) May have some corrosion and spots. About 4 cm in diameter. Image is an example of the medallion.

Inscription reads: "Model mine at the Numismatic Park is a tribute to the men and industry of the Sudbury basin where nickel copper ore was discovered in 1883."