"Cornucopia" or Horn of Plenty" Warwick Vase. Circa 1930's. This is a elegant & beautiful Heisey's Horn of Plenty 1890s-1957, Newark, Ohio — Renown for their high quality glassware from 1897 to 1957. Not all Heisey glass has the embedded symbolic diamond "H", and most paper stickers have been lost over time. This vase is in excellent vintage condition and stands 7" Tall and 5" in Diameter at the top and the base measures 6".