PRESSED HEAVY HEXAGONAL VASE, brilliant emerald green, deep tulip-form bowl with conforming six-petal rim and heavy protruding lower ring, raised on a hexagonal stem with upper knop and a circular foot with polished pontil mark, single-piece construction. Probably New England, possibly Pittsburgh area. 1840-1860. 9 1/2" H, 5 3/4" DOA rim, 4 1/8" D foot.
Literature: Parallels Bourne, The William J. Elsholz, Vol. II, pp. 254, 255, lot 970. 
Catalogue Note: This vase is only illustrated in the Elsholz collection catalogue referenced above where it is noted as "A very rare unrecorded form." That example was in blue, and resold through our gallery on May 21, 2014, lot 157, from the Lois Hirschmann collection. 

Proof except for two pinhead-size nicks to the edge of one panel.