This unusual blown glass mortar and pestle dates from the late 19th / early 20th Century. Originally used as an apothecary mortar and pestle in pharmacies for making creams and other medications.
Approx. overall 3¼" diameter x 3½" wide. Pestle is 4¼" long
Approx. overall 8cm diameter x 9cm wide. Pestle is 11cm long