An agnel, aignel, agnel d'or or mouton d’or (English lamb, gold lamb, gold sheep) was a French gold coin, introduced by Louis IX of France through an ordinance on 24 November 1226.
[1][2] However, the first known examples were struck under Philip the Fair from 26 January 1311 onwards.
John III, Duke of Brabant was the first outside of France to mint the coin.
After his death his eldest daughter Joanna, Duchess of Brabant continued the minting with her husband Wenceslaus I, Duke of Luxembourg.
The last agnels were struck under Charles VII of France in the 15th century.