Copper plate cut with laser, and lines etched with ferric chloride previously, 31 x 10 cm.
Electro-etching of tonal areas –electrotint- with lithografic pencil.
Mirror back
Copper plate cut with laser, and lines etched with ferric chloride previously, 31 x 10 cm.
Electro-etching of tonal areas –electrotint- with lithografic pencil.