Penning Metric System, 1840, Anonymous, c. 1965 medal Bronze Penning Metriek System (reference) with inscription. In plastic holder. Issued on the occasion of the introduction on 1 January 1840 of the exclusively use of the decimal measurement units under the law of 4 July 1837. Penning: Bronze (Metal). Holder: Plexiglas (TM) metric system Netherlands. France

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Photo credit: © piemags/rmn / Alamy / Afripics
License: Licensed
Model Released: No

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