Cover pencils by Werner Roth, inks by Dick Ayers. I, Lucifer..., script by Roy Thomas, pencils by Werner Roth (as Jay Gavin), inks by Dick Ayers; Story of how Prof. X lost use of legs. Continued in X-Men 21. Letter to the editor from comic artist Frank Brunner. 32 pgs. $0.12. Cover price $0.12.

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$99	X-Men #20 May 1966 Marvel CBCS Raw Grade 3.5 Sealed
$139	X-Men # 20 CGC 7.5 Luvcifer Blob Off White 1966
$150	X-Men #20 CBCS 5.0 w/ OW/W PAGES from 1966! Marvel
$150	X-Men #20 CGC 6.0 WHITE PAGES! from 1966! Marvel FN fine
$200	X-MEN #20 CGC VF+ 7.0 OW 3rd app of Blob; Origin of Professor X's legs!
$390	X-MEN #20 CGC VF+ 8.5; OW-W; 3rd app of Blob; Origin of Professor X's legs!
$825	X-MEN #20 1966 CGC GRADE 9.2 OFF WHITE PAGES

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