Given the date, it looks like a rough version of the OHTMU Wolverine entry - the lines and shading are almost exactly the same. Josef Rubenstein probably inked right over this using a lightboard or overlay, I'd guess.

Check this out:
http://www.artofjohnbyrne.com/gallery/albums/muhandbook/mu_wolverine.jpg

(...Now, whether THIS version's been printed somewhere, I have no idea...)

Mike Hansen, The Geekiary & All Day Comics
Last Edited By: psykomyko Oct 1 13 3:06 PM. Edited 1 times.