Bidspirit auction | Basel Master, active circa 1852,

Basel Master, active circa 1852, with initials Ad F - Basel Master, active circa 1852, with initials Ad F Oval miniature portrait of Sara Bischoff (1779-1852) with a white lace bonnet and light blue bow, in a black dress 1852 Watercolor and gum arabic on ivory monogrammed and dated Ad. F. 1852 lower right in the frame an old handwritten note Jungfrau Sara Bischoff 1779 - 1852 daughter of Hansjacob Bischoff & Anna Marg. Werthemann 7.5 x 6.1 cm