Oil City, Pennsylvania. Oil City Bank. September 15, 1864. $20. Choice Uncirculated. Specimen.(PA-380 G10a) ABNC. India paper only. Steam locomotive at left. Portrait of girl at center. Oil rig scene at right. Green 20s to left and right of portrait at center. Green microlettered TWENTY repeating in signature panel. Ornate green die at bottom center with white XX centered. Red 0000 serial number at top right. SPECIMEN in red at left and right in signature panel. The notes pedigree traces back to discovery in England about thirty years ago. An absolutely stunning note with vibrant colors and sharp details.