Bidspirit auction | AVENGERS #71 CGC 6.0 INVADERS

AVENGERS #71 CGC 6.0 INVADERS 1ST APP. - Avengers #71 CGC 6.0. Published by Marvel Comics in 1969. To feature Black Knight joining the Avengers & 1st unofficial team appearance of the Invaders. Condition: CGC 6.0. Please refer to images. Comic books Marvel Silver Age (1956-1970) Graded and Slabbed