"Pierre-Simon-Benjamin Duvivier (3 November 1730 – 10 July 1819) was a French engraver of coins and medals." - (Wikipedia (en) 15.10.2018)
"Pierre-Simon-Benjamin Duvivier (3 November 1730 – 10 July 1819) was a French engraver of coins and medals." - (Wikipedia (en) 11.08.2021)
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