Avengers #55 CGC signature series signed by Roy Thomas 4.0 1st Ultron 5,

Avengers #55 CGC signature series signed by Roy Thomas 4.0 1st Ultron 5,

Up for grabs a true avengers grail. Avengers number 55. Signed by Roy Thomas graded by CGC featuring the first appearance of Ultron 5 and the third appearance of Dane Whitman, the Black Knight.