Early Mold Blown Barrell Form Apothecary Jar W/Pontil Mark & Aug 14 1866 Patent Date.  It measures 9 1/2" high, and 6 3/8" across top rim.  Bottom has pontil mark and a molded in "PAT Aug 14 1866".  There is no lid.  It is in excellent condition with no chips or cracks.  This is a nice piece of 19th c mold blown glass.