This ‘Astigmatic’ type Pince-Nez eyeglasses were made between 1910 - 1920 with oval frame. These are delicate rimless fingerpiece spectacles. They could be set and removed at will using only two fingers of one hand to operate the finger-pieces,Pince-nez (French for "pinch nose") are a style of spectacles clipped to the nose by a spring bridge. They first made their appearance in the late 18th century, reaching their peak popularity by the end of the 19th century. The Diopter is +3. The spectacles are in a leather covered case with dark blue felt lining.