Original post here. This image was researched by Bacchus at ErosBlog as part of the “Γ commission.” The research was originally published at Hedonix as “Γ 059 – Haunted Laboratory.” Here is what Bacchus found.
This artwork is cropped and cleaned cover art from the cover of the horror comic This Magazine is Haunted Vol. 2 #7 (1951). That link suggests that the identity of the cover artist is unknown to the comics-collecting world. Here’s the original cover:
A complete scan of the 10-page magazine may be found here.