Marks Watermark, center, oriented upside down, insignia: [crowned fleur de lis]
Inscription Recto, in plate, top right corner, printed: Pl.37
In plate, bottom center, printed: Sonchus loevis laciniatus latifolius Smooth Sowthistle
In plate, bottom right corner, printed: J. Edwards del'et Sculp.
Bottom right corner, in pencil: 330
Verso, top right, in pencil: #1 [?]