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
Brad Penny declined his option year, making Penny a free agent. On January 9, 2009, Penny signed a one-year deal with the Boston Red Sox with a base salary of $5M. Incentives and performance bonuses were included to increase the total deal another $3M. Penny recorded his 100th career win on June 17, 2009, against his former team the Florida Marlins, in a five inning effort only giving up one unearned run. The win came on the Red Sox's 500th consecutive sell out at Fenway Park. During his last five starts with the Red Sox, Penny was 0–4 with a 9.11 ERA.