April 17, 2007
Space Adventures #12 
Ditko's obviously showing a strong influence from the then-current EC sci-fi comics of the era, in particular Wallace Wood and Al Williamson, with the female astronaut being attired in an outfit that is impractical at best (high heels and a conveniently transparent suit over a form fitting suit). That's also a magnificent alien.
And I know some people dislike dialogue on covers, but can even they argue that it works on this one?