Philadelphia, Pennsylvania. Manufacturers & Mechanics Bank. Nov. 5, 1861. $1. PCGS Currency Very Fine 20.(PA-450 UNL). Hoober 305-373. November 5, 1861. PCGS notes Minor stains. American Bank Note Co. imprint. Engraved signatures. Green and white central "ONE" protector below impressive central vignette of the state seal. Engraved 1861 date. Scarcer than the engraved 1862 notes. In our Fall 2016 sale, we sold a Choice Very Fine example for over $1,500.