Heath's Infallible Counterfeit Detector, Laban Heath (1866)
Periodical Summary
Variety 2-P-s-5: Heath Counterfeit Detectors varied from edition to edition, and noted Numismatist Eric P. Newman, whose collection this particular Counterfeit Detector is from, developed a classification system to compare and describe their variety. This particular variety is described as follows: Same as Variety 2-P-s-4 except for: Impressions from $20 Fourth National Bank of New York counterfeit plate or from $10 First National Bank of Philadelphia counterfeit plate, or both, are present in addition to $100 First National Bank of Boston and 50 cent fractional currency counterfeits.
