Aerobee Rocket Nose Cone tip, measuring 5.75″ tall and 2.25″ in diameter, set upon a 5″ x 5″ wooden plaque, with an engraved metal plate reading: "Aerobee Rocket NB 3.164, Moon-Crab Nebula Occultation, White Sands Missile Range, New Mexico, July 7, 1964." In fine condition, with the leading edge of the cone tip displaying ground impact damage resulting from freefall decent after its suborbital flight. On July 7, 1964, an Aerobee 150 sounding rocket was sent on a Crab Nebula lunar occultation X-ray astronomy mission, reaching a record apogee of 183 miles.