Electro-etching on copper plate. 23 x 15 cm. Lines on hard ground. Electrotint with semi-dry electro-etching.
Printing the same plate in the opposite direction with two inks.
Electro-etching on copper plate. 23 x 15 cm. Lines on hard ground. Electrotint with semi-dry electro-etching.
Printing the same plate in the opposite direction with two inks.