Set of 2 Minter Factory medallions

Set of 2 Minter Factory medallions. 1) Original circular plaque cast from 1858 - "JÓZEF KREMER." (1806-1875, philosopher, lecturer at Jagiellonian University), diameter 128mm, author - Wojciech Święcicki, bottom - obverse signature: "MODELOWAŁ W.ŚWIĘCICKI NAKŁAD I ODLEW FABRYKI MINTERA", 2) Original round plaque cast from 1858 - "STEFAN BATORY." (1533-1586) - King of Poland since 1576r, diameter 128mm, broken off ear, author - Wojciech Święcicki(?), sign. bottom - obverse: "CIRCULATION AND CASTING FAB. MINTERA." Accompanied by two publications: 1) Illustrated monograph: M.Dubrowska - A.Soltan "Rzemiosło artystyczne Minterów 1828-1881" (PWN 1987, 207 pages, 1st edition, edition of 6500 copies), 2) Illustrated brochure of the Polish Archaeological and Numismatic Society - Warsaw Branch: Jacek Strzałkowski "Medallions made in the firm of Karol Minter" (PTAiN - Warsaw 1984, 16 pages, edition of 80 copies). Good condition.