Etching.
Picture and paper size: 29*38 cm (11,4*17,4 inch).
Picture and paper size: 28*38 cm (11*17,4 inch).
Combination of lithography and etching.
Picture and paper size: 18*24 cm (7,1*9,4 inch)
Combining lithography and etching techniques.
Picture and paper size: 28*39 cm (11*17,7 inch)
