Sat, Oct 6, 2018 10:00AM EDT
American (Midwest or possibly Pittsburgh), ca 1850. Two extremely rare colorless lead glass cup plates with scalloped edges advertising Sampson, Lindley, & Co., Importers of China, Glass, & Queensware / No. 92 Main St. / Cincinnati in embossed lettering on underside, made from a private mold; dia. of each 3.25 in.
See Ruth Webb Lee & James H. Rose, American Glass Cup Plates, p.223, R/L 314.