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France. Matthew I of Lorraine, le Debonnaire (1119-1176) and Bertha of Swabia. Medal c. 1720, Nancy. Obv. MATTHAEVS I D G DVX LOTH ET MARCHIO. Bust of Matthew I Duke of Lorraine left. Rev. BERTHA SVEVA DVCISSA LOTH ET MARCHION Draped bust of Bertha of Hohenstaufen left. Forrer V, 26. 53.1 g. 47.5 mm. Opus: Ferdinand de Saint Urbain. Matthew I of Lorraine, known as the Débonnaire, was Duke of Lorraine from 1139 to 1176. He married around 1138 Judith de Hohenstaufen (1123-1195), also called Bertha. This medal belongs to a series minted by Ferdinand de Saint-Urbain in Nancy, representing the Dukes and Duchesses of Lorraine.