I'm not able to weigh in on Swan-as-penciller here, beyond the seemingly obvious inquiry, 'Wouldn't he be capable of rendering the S-logo accurately in his sleep by this time?'
My entire response to this drawing is twisted downward several notches by the Superman emblem. It looks like the first time the artist has SEEN it, let alone been asked to DRAW it. What do you think?
Peace, Jim (|:{>