Here is a nice threadless embossed on the concave skirt: S. McKee & Co. with a smooth base. Has some milk swirls in the glass. Tiney peck of a chip on the very top of the dome. Three pecks on the upper wire rim. A small chip at the wire rim. A really nice blue. Books between $400 - $500. Selling for $395.00 shipped to your door. Check out my other recent listings on ICON.