19th-20th century
Collotype printed in black with many areas cutout
20th centuryAmericanThe print is a counterproof, reworked in graphite, of a lithograph that was eventually published as one of a series of tree studies, for drawing instruction.
19th centuryFrenchPhoto-offset and line-dropout lithograph on Kromecote wove paper
20th centuryAmericanPrinted postcard in envelope
20th centuryGerman