Brownish amber non-lead glass; mold-blown. Square with angled shoulder and short neck. Broad flat applied collar; molded panels on each of the for sides; hop berries and leaves on one side; paper label on front. Inscription on shoulder panels "DOYLE'S" above paper label; "HOP", "BITTERS", "1872" on other three. Paper label has "HOP/BITTERS" above and below hop berries and "HOP BITTERS/Manufacturing Co/ROCHESTER N.Y." at bottom with direction for use in lower half. Square base with circular depression. Faded paper label on reverse with directions for use.