WILLIAM R. POGUE EDWARD G. " HOOT " GIBSON GERLAD P. CARR PRIME CREW OF FOURTH MANNED SKYLAB MISSION WITH VANCE BRAND, DON LIND & BILL LENIOR NASA ASTRONAUTS SIGNED VINTAGE 1973 COVER *** 

*** 6 ASTRONAUT SIGNED ENVELOPE IN BLACK & BLUE INK IN BEAUTIFUL CONDITION ***

*** SKYLAB-4 SATURN IB AT THE JOHN F. KENNEDY SPACE CENTER, FLORIDA NOVEMBER 16TH, 1973 STAMPED ENVELOPE ***

*** JSA AUTHENTICATION COA WITH MATCHING SERIAL NUMBER STICKER INCLUDED ***

           The day three NASA astronauts staged a strike in space - Los Angeles Times