Pittsburgh, Pennsylvania. Mechanics Bank of Pittsburgh. Sept. 1, 1864. $5. Fine.,(PA-540 G6 SENC) ABNC. Steel workers at bottom left. Portrait of girl at bottom right. Die counter 5 at top left and right. FIVE DOLLARS in ornate die at center. Green FIVE protector over signature panel. We have seen this design type with both green and red FIVE protectors. Haxby did not mention any color nor printer. The notes featuring red protectors were printed by Draper, Welsch & Co. Even circulation, full frame lines and bold inks are seen.