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Sestroretsk Ruble

1771　・　copper　・　18th century　・　Sestroretsk

Sestroretsk Ruble（obverse）obverseSestroretsk Ruble（reverse）reverse
Person or Persons Unknown / CC BY-SA 4.0（Wikimedia Commons）

A giant copper coin conceived as backing for Assignation ruble banknotes. It was prototyped at the Sestroretsk factory with the idea of solidifying one ruble's worth of copper into a single coin. It never reached practical use and remained a trial piece. It was an experiment characteristic of a transitional period, attempting to support the lightness of paper with the weight of copper.