Whale oil lamp, blown & pressed, Ca 1830/40,Sandwich

This is an exceptional whale oil lamp with a blown font and pressed base. It's height is 9 3/4". The top is attached to the base with a triple wafer. The base is square with lions heads at each corner, fluted columns and each panel has a basket of flowers. The condition is excellent with minimal chips. These are from the Boston & Sandwich Glass Co. See illustration and subsequent explanation # 2076 in Barlow & Kaiser's "A Guide To Sandwich Glass Whale Oil Lamps and Accessories". These have the button feet that distinguishes them from the New England Glass Co. Ca 1830/55.