Bradbury, Wilkinson & Co. One penny Victoria Head engraved die
essay, stamp size, printed in black directly on white card (0.008”
thick). Very rare and most attractive, Very Fine; 2008 Greene
Foundation cert. (Minuse & Pratt No. E-Ba)
Other existing colours (rose, maroon, green, blue, violet) are plate
essays, printed on bond or hard wove paper, originating from the
sheetlets of nine. Black proofs such as the one offered here are invariably die essays, printed
directly on noticeably thick card.