Philadelphia, Pennsylvania. Mechanics Bank of the City & County of Philadelphia. 1862. $1. PMG Very Fine 20. (PA-45 G34a). Hoober 305-398. April 15, 1862. American Bank Note Co. imprint. Imposing central Arm with hammer vignette. Flanked by upright green "1" protectors. Engraved date at lower left. Cashier signature at lower right. A very scarce note, particularly so in a comment-free holder.