Pittsburgh, Pennsylvania. Exchange Bank of Pittsburgh. May 1, 1861. $1. Very Good.,(PA-525 G2a) ABNC. Large ornate Vermillion 1s flanking vignette. Microlettered vermillion signature panel. Center, dark cows nibbling at some hay on a wagon. Left end, "The Reapers". Engraved signatures. Stamped serial number 28950. Some edge wear but seen with still detailed design elements.