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In 1931 Maggiora-Vergano attributed to Guglielmo IX Paleologo, Marquis of Monferrato and governor of Asti, a terlina similar to the terline coined in Asti by Louis XII. Nothing more was known about this coin for ninety years, so the authors of the Medieval European Coinage expressed doubts about its existence. A census of Asti coins taken by his author in Italian and international museums led to the discovery of four terline of Guglielmo IX. The monogram GV identifies the Marquis of Monferrato and the legend LV D G ASTNSIS EX D (ominus) replaces those hammered on the previous terline of Louis XII. For the first time, the same monogram GV was also discovered on a gold double ducat in the Kunsthistorisches Museum of Wien, previously attributed to Louis XII. These findings definitively confirm that Guglielmo issued at least two types of coins in the Asti mint: terline and double ducats.
