MT. WASHINGTON GLASS CO. ARCH VASE, deep amethyst, deep conical bowl with a gauffered ten-petal rim, raised on a double-knop stem, hexagonal three-step standard, and hexagonal base, wafer construction. Mt. Washington Glass Works. 1845-1860. 11 1/8" H, 4 1/2" D rim, 4 1/4" DOA base.
Literature: Kaiser - The Glass Industry in South Boston, p. 162, fig. 223; like Bourne - The William J. Elsholz collection, Vol. III, p. 445, lot 1682, the pair exhibited at the Detroit Institute of Arts, 1953; the McKearins - American Glass, pl. 200, fig. 34.
 

Proof with moderate to heavy interior wear/residue; vase standing with a lean to the right. Having expected roughness to the underside in association with the snap-ring, as made.