11.01g. 28mm. PROOF. An absolutely gorgeous exemplar, exhibiting mirror-like fields beneath an old, deep colourful patina.
Medalier: unknown.
Diakov 1257.1 (Ar - R3).
Rare.
Obv.: Wreath of oak branches enclosing crossed hammer and pickaxe.
Inscription around:
GEOLOGORUM CONVENTUS MENTE ET MALLEO
(The congress of geologists with mind and hammer).
Rev.: Two-line inscription within oak wreath.
Inscription in center:
ROSSİA / 1897
(Russia, 1897).
The 7th International Geological Congress, held in Russia in 1897, gathered leading geologists from Europe and abroad at a time when the discipline was rapidly professionalizing and expanding. The event marked a significant moment for Russian scientific institutions, which sought to integrate more actively into the international research community. The congress facilitated the exchange of stratigraphic data, mineralogical studies, and emerging geological classification methods, reflecting the broader scientific ambitions of the late Imperial period.
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