Frankish billon coin ... Craig Mauzy ... Museum coin. Stoa Gallery-Case no. 5B.67. Horizontal (normal) ... 28 Jun 2004
Guillaume I de la Roche, Dukes of Athens ... Guillaume I de le Roche: 1280 1287 μ.Χ. Coin no. 35. Road area, below 5th strosis. C 98 ... 1280-1287 A.D.