Philadelphia, Pennsylvania. Mechanics Bank of the City & County of Philadelphia. April 15, 1862. $1. PCGS Currency Very Fine 25.(PA-45 G34a) Hoober 305-398. Plate C. April 15, 1862. American Bank Note Co. PCGS Currency notes "Small Edge Splits, Tears, and Tape Repairs, Pinholes at left." Imposing central Arm with hammer vignette. Flanked by upright green "1" protectors. Engraved date at lower left. Cashier signature at lower right.