The guy on which this was based?
There's a partial view in the middle of this book cover:
I'll keep searching for a better view.
note: google images "golden demon logo 1987" and gradually increase the year. Has not found the logo, but by god I know what I'm spending this evening doing trolling my way through!
Might be worth searching for "golden demon advert" or similar, as the logo sometimes appears in those too.
Edit: Another pose (not the one you were seeking though):