Award issue presented during the 9th Congress of Polish physicians and naturalists in Kraków in recognition of skilful work.
Medal made by Krakow engraver and engraver, Jan Nepomucen Langner based on a drawing by Juliusz Kossak, signed J. LANGER on the obverse.
Specimen with deep medal mint luster virtually unheard of on 19th-century medals.
Very rare not listed in the extensive catalogue "Industry, art, politics. Economic exhibitions in Polish lands and related to Poland ca. 1850-1914" edited by Witold Garbaczewski, although it illustrates medals from similar exhibitions in 1869 and 1891 - made with the same obverse die.
Silver, diameter 43 mm, weight 43.32 g
