Malcom Mathias (2020)
Multi-Media Summary
The 2019 USA Tour aimed to identify further examples of Harvey Maranville's three coin testers held by collectors, museums and other institutions across USA and to research the historical context which led to Maranville inventing and manufacturing the three versions of his coin tester devices: 1857 Maranville Coin Tester; 1860 Maranville Improved Pocket Coin Tester; and 1878 Maranville Dial Coin Tester. Presenting: Malcolm Mathias. This presentation was part of the 2020 Newman Numismatic Portal Symposium, held virtually, August 28-30, 2020.