Conan and the Boat by Barry Smith

Always dug this, but never saw a nice print of it.  First, as we first saw it, at the back of Savage Tales #2.  Then later, at the back of Conan Classic #8.  Something haunts me, maybe just the cliche of hiding under an overturned boat, having that air pocket even in water.  It may have been part of a Howard story, but I'm too lazy to find the actual ref