Bowen-Congreve Back Proof. 1800s. Ornate Lathework Green & Brown Tint.. PCGS Currency Choice New 63 Apparent. Small Hole at Left of Center. Mounted on Woodblock.An ornate back proof found in green & brown ink, with "Congreve Patent Check Plate" written in circular pattern at center. PCGS Currency Comments "Small Hole at Left of Center. Mounted on Woodblock."From the Heather Hardin-Hudson Collection