Description (American, 1905-1972). 1) At the Lab, pen and in on paper, signed "Aaron Sopher" ll, 9 1/4 x 11 in., unframed 2) Mathematics Class, pen and ink with wash on paper, signed "Aaron Sopher" ll, sight size: 8 x 8 1/4 in., framed 3) Mixing Chemicals, pen and ink on paper with wash, signed "Aaron Sopher" lr, sight size: 8 1/2 x 6 in., framed
Condition Report On #3: Stain on matboard