Ah, That's Better! by Barry Smith and Berni Wrightson

 I've come across this tiny ad in my scrapbooks off and on several times in the last two centuries (I think I originally cut it out of a Buyer's Guide), and long ago, I saw the Conan concept in this clearer version, and I would wistfully think about Berni's illo in sump'n sump'n I could see better, but now that wait is over