50’s. 3 1/4″ tall thin glass beaker with either side featuring identical colored dot with “Martini” in black over and across it. One dot is Red while other is Green and are on opposing sides. Measuring lines in Red for 1/3, 2/3 and 3/3 which ends well before top. Slight pinch at top for pouring. Elegant and classic bar accouterment. NM.