1 ozt Archaeopteryx 9999 Silver 20 Francs

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 years BC), and Quaternary (2.6 million years BC-Today) periods.

Country of Issue: Democratic Republic of Congo (République Démocratique du Congo)

Motto: The coin features the national motto of the Democratic Republic of Congo: "JUSTICE," "PAIX" (Peace), and "TRAVAIL" (Work).

Design Elements: The design includes a leopard's head and a spear, both symbolic elements.

Content: 1 troy oz. of .9999 fine silver

Mint: Democratic Republic of Congo

Series: Prehistoric Life

Weight: 31.1 g

Denomination: 20 francs

Purity: 99.99%

Year: 2021