DISCOVERY 4m pictorial Palestine Mandate stamp in BROWN on woven paper MNH

DISCOVERY: 4 mils pictorial stamp in brown ink, on woven paper - undocumented; MNH. This issue on vertically ribbed (1932 issue) or woven paper (1940 issue) is known in plum-purple color only, without any shade variations (ref: Ba #104, Dorf #104/104w). The images enclosed also show this stamp next to the purple colored 4m and 50m issues.