Half Litre size with a stylized head as the finial on the thumb opener, showing the town of red roofed medieval style buildings, logo on the front reads Gruss Aus Deggendorf, the lithopane scene in the bottom shows a man and woman in an interior scene. No makers markings, circa 1870-1900 era and probably made for interior use in Germany, not for export. With the exception of wear to the pearl luster bands, the beer mug is in excellent condition.6 1/2" tall by 5 1/2" deep to the handle.