Counterfeit Detector Sample Sheet, Continental Bank Note Co., eight various engraved vignettes, also several counters and geometric lathework dies, together with Health Counterfeit Detector plates (4), the first a Laban Heath sample detector note, the others showing various fractional or National banknote elements, very fine to extremely fine, also a group of nine face and back reproductions of early Federal and National banknotes, on card, similar to proofs but apparently not printed from engraved plates, and a group of various other banknote reproductions and photographs, most fine or better (lot)