"Grüner, Friedrich (Norwegian). Mint-master at Christiania, 1652-1675. Probably a son of Peter Grüner Senior" - Forrer L. "Biographical Dictionary of Medallists", Bd. 2 (London 1904), S. 320
de
"Grüner, Friedrich (Norwegian). Mint-master at Christiania, 1652-1675. Probably a son of Peter Grüner Senior" - Forrer L. "Biographical Dictionary of Medallists", Bd. 2 (London 1904), S. 320
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