May 15 - June 7, 1967, Jim McWilliams group show at Socrates Perakis Gallery, 2116 Locust Street includes James E. Brewton, Thomas Chimes, Jim McWilliams and sculptor Paul Anthony Greenwood. 12.01 am opening is cited on the poster designed by Jim McWilliams. Philadelphia graffiti was noted by Brewton as early as this date.