Rare 1800s Maranville Dial Coin Tester for Gold Silver Coins With Leather Pouch Bag
This Coins & Money item is sold by BrainWashington. Ships from Hyattsville, MD. Listed on 30 Sep, 2023
1878 Counterfeit Coin Detector. Good Condition, retains most of the finish.
Harvey Maranville's April 30, 1878 patent "Dial Coin Tester" to detect counterfeit gold and silver coins via a rotating counterweight. This nickel plated brass coin detector is missing the (easily replaced) stand. The original patent described additional capabilities as a postal scale, although there are no postal markings on any known examples of the very rare Maranville scale.
L: 3 1/2 in.
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