Item PM320, DR GUYSOTT'S - YELLOW DOCK / & / SARSAPARILLA - CINCINNATI O, deep bluish aqua, Iron Pontil, rectangular with indented panels, 9 " high, bold embossing, lots of bubbles in the glass, has a few wisps of inside haze from the contents otherwise perfect condition, a very rare Dr Guysott's variant, and one not found in the Greer collection, circa 1850, $950