Antique Black Glass 1800s retailer Buttons, Matching Set of 4, Silver Lustered

Antique 1800s pressed black glass with silver luster, matching set of four buttons. These pressed glass were contemporary with lacy glass and were made by the same manufacturers, chiefly in Bohemia and Austria during the last years of the 19th century into the early 20th century. These buttons have retailer faux cut steel centers with a sunflower-like blossom and faux cut steels around the rim. Four-way box shanks with thread guides. Excellent condition. They measure right under 1 1/4".