1878 Antique H. Maranville Akron Oh Dial Coin Tester Gold Silver Scale


1878 Antique H. Maranville Akron Oh Dial Coin Tester Gold Silver Scale

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1878 Antique H. Maranville Akron Oh Dial Coin Tester Gold Silver Scale:
$182


1878 Counterfeit Coin Detector. Maranville Patent. See pictures for condition. Harvey Maranville's April 30, 1878 patent "Dial Coin Tester" to detect counterfeit gold and silver coins via a rotating counterweight. 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.

The Maranville patent is recorded in U.S. Coin Scales and Counterfeit Coin Detectors by Eric Newman and A. George Mallis. The personal collection of coin scales belonging to Mallis was self-cataloged and offered by Bowers and Merena in 1995.
Ex: A. George Mallis Collection (Bowers and Merena, 11/1995), lot 8.

1878 Antique H. Maranville Akron Oh Dial Coin Tester Gold Silver Scale:
$182

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