AMAZING SPIDER-MAN #121 - (1973 - MARVEL) GRADED 7.5 by CGC - KEY Bronze Age Issue - 'Death' of Gwen Stacy + Green Goblin appearance - Gerry Conway Story - John Romita Sr. Cover and interior art by Gil Kane, John Romita Sr. & Tony Mortellaro - Flat/Unfolded - CGC 7.5 with White Pages - Presented Slabbed & Sealed