1939, Estonia (Republic). Bronze 1 Sent Coin. Thick Planchet Variety! Mint Year: 1939 Reference: KM-19.1. Denomination: 1 Sent Material: Bronze Diameter: 16mm Weight: 1.9gm Estonia, officially the Republic of Estonia (Estonian: Eesti Vabariik), is a state in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Se ...