Explorer 48 Vintage Cover Explorer 48

A vintage commemorative space launch cover celebrating the launch of Explorer 48, also known as SAS-B. This satellite mission was dedicated to the study of gamma-ray astronomy, helping scientists better understand high-energy cosmic radiation.

The cover features an illustration of the SAS-B satellite and notes the launch by a Scout rocket from the San Marco Launch Platform near Malindi on November 15, 1972. It includes a Kenyan postage stamp and an official Malindi, Kenya postmark, making it an interesting collectible connected to early international space research.