France 1640 4 Louis d’or (Louis XIII), Paris Mint. The 4 Louis d’or, issued only in 1640, contains (on average) 0.869 ounces of 0.9170 fine gold (22 carats), and weighs 0.948 ounces. Engraver: Jean Varin (1604–1672)JN2015-6874-75
Original public domain image from Wikimedia Commons