Circa 1970's abstract color etching on paper by Tony Bass ( b.1943) Texas. Signed, titled "Machine" and numbered 5/50 in pencil along lower margin. Abstract surreal figures in olive and gray. Unframed, Circa 1970's abstract color etching on paper by Tony Bass ( b.1943) Texas. Signed, titled Anagram artist proof in pencil along lower margin. Abstract surreal figures in red balck, and gray. Unframed, age toning, considerable foxing, will ship rolled.