DOLLAR BILL SIGNED BY THE CHALLENGER CREW.
One dollar bill, series 1981 A, serial number F66853585D, 2½ x 6 inches.
SIGNED by all seven crew members of the ill-fated Challenger flight STS-51-L. The tenth mission for Challenger, it ended in disaster when, 73 seconds after lift-off on January 28, 1986, the vehicle experienced a catastrophic structural failure.
Inscribed "To Rachel" and signed by MIKE SMITH, DICK SCOBEE, ELLISON ONIZUKA, RON MCNAIR, GREG JARVIS, CHRISTA MCAULIFFE, and JUDY RESNIK.