India -
"SPACE ~ BLACK HOLES ~ COSMOLOGY ~ STEPHEN HAWKING 1942 - 2018."
Limited Edition ~ Special Cover !
Reverse of Cover (Pix 4) gives details, a few words:
Stephen Hawking (8 January 1942 - 14 March 2018) was regarded as one of the most brilliant theoretical physicists in history.
His work on the origins and structure of the universe, from the Big Bang to the black holes, the theoretical prediction called Hawking Radiation, revolutionized the understanding of this subject.
FDI: 20-03-2018, MUMBAI 400001.