Cite

Untitled [Envelope with faux stamp]

MLA

Steinberg, Saul. Untitled [Envelope with Faux Stamp]. 0AD. https://collections.library.yale.edu/catalog/16855938.

APA, 6th edition

Steinberg, S. (0 C.E.). Untitled [Envelope with faux stamp] [Drawings, Illustrations, Sketches]. https://collections.library.yale.edu/catalog/16855938.