File:The United States Counterfeit Detector, and Teachers' Guide (IA unitedstatescounhh02heat).pdf

Variety HH-2: 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: HOUSEHOLD EDITION on paperboard cover and on title page; Pocket size; Originally 1870 copyright date but 1 is written in ink over the 0 in the 1870 copyright date so as to make the date 1871; UNITED STATES COUNTERFEIT DETECTOR AND TEACHER’ GUIDE; Plates mentioned in text are fractional currency and 1, 2, 4 and 5; State bank note designs are on plates 1 and 4; Plate 2 has Federal designs; A combination engraved and typeset trade card of George W. Casilear is present containing the number 1870 which appears to the year of printing; Casilear’s patent is explained on page 20; Advertisements feature the American Bond Detector, the Banking House edition of Heath, the Pocket edition of Heath, the MICRO-TELESCOPE GLASS with 4 pages of microscope illustrations; Back cover also advertises the first three publications mentioned above and refers to the Third Edition of the Pocket Edition.