The on-sale date is the publication date reported in the U. S. Copyright Office filings.
Burgos additions or corrections in backgrounds. Info per Nick Caputo, December 2013.
Wessler credit per Biblio in Robin Snyder's The Comics Vol 24, #9, September 2013.
Colletta credit per Banks Robinson, via Atlas Tales. JVJ added the "?". Colletta usually signed his solo work and there are some indications in the shapes of the faces that he did not pencil this story.