Philadelphia, Pennsylvania. Bank of Penn Township. June 1, 1861. $1. PCGS Currency Very Good 10.(PA-475 G50a) Hoober 305-112. Plate C. June 1, 1861. Imprint of the National Bank Note Company. Green frame, incredibly intricate green lathe devices across center of note with micro-lettered titles and 1 counters. Top center, cupped in title, The Young Students. Upper left, Washingtons Tomb. Lower right, Washington. Opposite corners, scalloped Cyrus Durand patent counters with bank titles in spokes. A few examples are known of this type though they are usually tightly held and hotly contested when seen at auction.