Penny Black print run was 286,700 sheets, containing a total of 68,808,000 stamps. Many were saved, and in used condition they remain readily available to stamp collectors. The only known complete sheets of the Penny Black are owned by the British Postal Museum. In addition to the general issue of the Penny Black, a similar stamp intended for official mail was produced, with the letters "V" and "R" replacing the crosses in the top corners. Because the general public quickly accepted the postage stamps and ridiculed the Mulready stationery produced at the same time, vast supplies of Mulready letter sheets were given
Penny knife on an axle mounted through a steel-bolstered wooden handle. Penny knife The penny knife dates from the 18th century and was a very basic utility knife, originally with a fixed blade. It received the name "penny knife" for what it reportedly cost in England and America during the late 18th century: one penny. The famous "Fuller's Penny Knife" helped build the reputation of Sheffield, England, cutlers in the pre-industrial era of the early 18th century. The "penny knife" would later evolve into a very simple, mass-produced pocketknife with a folding blade, which pivoted freely in and out of the handle