Litteratur
Eske Moretensen, Morten, various Danish-Norwegian Coin Price Yearbook and Nordic Banknote Price Yearbook, Flensburg, Peter, Numismatic Lexicon, National Museum, "Tusindtallets" Danish Coins, and Schou, H.H. Description of Danish and Norwegian Coins 1448 - 1814 and Danish Coins 1815 - 1923