The POSCHINGER Iridescent amber ART GLASS HAT VASE is a stunning piece from the 1920s, This art deco vintage vase is made of hand blown glass with an iridescent stretched or onion skin finish.  A ground and polished pontil is on the bottom. This piece is unsigned. This original piece reflects the early 20th-century art glass era and is a beautiful addition to any deco art glass collection.