Nyslott's stronghold and part of the city, Hjalmar Munsterhjelm, between 1872 and 1874
Nyslott's fortress and part of the city, steel engraving by hjalmar munsterhjelm (1840-1905) published in en resa i finland (1872–1874), edited by zacharias topelius (1818-1898). Date: between 1872 and 1874. Medium: steel engraving print. Depicted Place: Olofsborg. Nyslotts fäste och en del af staden - Hjalmar Munsterhjelm - En resa i Finland - 029