Engraving by Rudolf Johann Koller (1828-1905)

Engraving by Rudolf Johann Koller (1828-1905) swiss painter, he is considered, along with Frank Buchser and Gustave Castan, as one of the most important Swiss painters of the 19th century.
The engraving represents two children playing with a dog.
Roots frame.
Signed: Koller, 1859.
31 X 36.5 cm.