Read more: The 12 Best Investment Apps For Beginners Ranked The design for Switzerland's 10 centimes coin (the oldest in circulation ... By 1848, unity was looking good to the Swiss.

Mombasa, Kenya: In 1993, a mysterious old coin was found in Likoni, Mombasa, near the former summer palace of the Sultan of Zanzibar, overlooking Kilindini Port. The coin was copper in colour and ...