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
Two penny blue the penny black and was struck from the same die. It was originally intended that the 2d blue be issued at the same time as the 1d black; the earliest postmark seen on one of these is 6 May 1840. The first issues of this value (intended for double rate letters), were printed from plates 1 and 2. The printing plates were destroyed in 1843. Copies of the stamp are now significantly rarer and more expensive than the Penny Black. Later when the colours of the stamps were being revised, the inks chosen were red-brown for the penny value and