Item SB028, J. DOWDALL (in slug plate) - UNION GLASS WORKS PHILA / SUPERIOR / MINERAL WATER, cylindrical with a "mug" base, deep blue, Iron Pontil, 7 " high, applied blob top, bold embossing, has some traces of very minor wear otherwise perfect. This is a "attic type" bottle, not dug and cleaned. A fine example of this very rare soda from Wilmington, Delaware, circa 1850 Sold