Numismatic litterature, Duplessy, Les Monnaies Francais Royales I & II, Paris 1999; Poey D'Avant, Monnaies Feodales de France I-III, Graz 1961; Malloy et. al., Coins of the Crusader States, New York 1994; Levinson, The Early Dated Coins of Europe 1234-1500, Clifton 2007; Michiner, Jetons, Medalets & Tokens vol. two, The Low Countries and France, London 1991; Morrison, Carolingian Coinage - Numismatic Notes and Monographs No. 158, New York 1967; Mayhew, Sterling Imitations of Edwardian Type, London 1983; Duncan Elias, The Anglo-Gallic Coins, London 1984; Lafaurie, Les Monnaies des Rois de France I-II, Paris 1951,1956; with various sales catalogues and books. (18).
Estimate: £100 - £150