Heads in 3/4 backview with the jawbone going back behind the ear is peculiar. This can be found in his credited "Mike Gibbs Guerilla" story in Adventure Comics #88, and also in his Lt. Hercules stories in Green Lama Comics. Very few here, so uncertain.
strip reprints
Art is by Mort Leav, with his large hands, lively figures and a special crouching way of running, with thighs lifted high.