County of Blois, obol of Thibaut III (1037-1089) VERY RARE
Obole / 0.43 g / 12.0 mm / 9h TB. 1695 (32/19), Legros 973 (R3), Dy. Example appears to correspond to the one illustrated in Volume I of Poey d'Avant (1858) drawn from a specimen in his personal collection.