1 ozt Archaeopteryx 9999 Silver 20 Francs .900 ozt Key features of the coin:

Key features of the coin:

Diameter: 27 mm

This is a 1 oz

The coin is made of 1 ounce of silver and was issued by Congo

1 ozt Archaeopteryx 9999 Silver 20 Francs .900 ozt Key features of the coin:The outer rim of the coin details the geological periods: Triassic (250 200 Mio. Years BC), Jurassic (200 145 Mio. Years BC), and Cretaceous (145 66 Mio. Years BC). Series: It belongs to a "Prehistoric Life" coin series, with other parts of the series likely featuring different prehistoric creatures or eras. Geological Eras: The coin also references various geological eras, including the Cretaceous (145 66 million years BC), Tertiary (66 2. 6 million