Overall: 11 1/2 x 9 3/4 x 7/8 in. ( 29.2 x 24.8 x 2.2 cm )
handwrittten in pencil: on reverse: "2 [cents] per inch / 2 [cents] / inch / [etc.]"
Wood scrap from the workshop of Lockwood Sanford, wood engraver active in New Haven, Connecticut.
Due to ongoing research, information about this object is subject to change.