Horace Bénédict de Saussure and others ascending Mont Blanc. Coloured aquatint.
https://www.rawpixel.com/image/13963917/horace-benedict-saussure-and-others-ascending-mont-blanc-coloured-aquatintFree Image from public domain license
Saint Mary (the Blessed Virgin) with the Christ Child. Colour lithograph, 1870.
https://www.rawpixel.com/image/13951481/saint-mary-the-blessed-virgin-with-the-christ-child-colour-lithograph-1870Free Image from public domain license
Portrait of Scholar-official Ahn in his Fifties Year by Yi Chaegwan