Not examined out of frame. Assumed hinged at all four corners. Left edge is serrated, sheet is from an artist's sketchpad, with rounded corners at upper right and lower right. Pinholes at upper right and upper left.
Exhibited
Old Bergen Art Guild, Bayonne, New Jersey, no. 14. In the Absence of Color: Artists Working in Black and White, Hollis Taggart Galleries, New York, May 2 - Jun. 13, 2017