Haha, ok, I found the original thread where we debated the Dunn pose:
http://www.net54baseball.com/showthread.php?t=162940
The key here is that the T206 artists added a slight tilt to the Dunn image, which can mistakenly lead you to believe it might be horizontal. It's not.
It helps to read the whole thread, if you're interested, but the post to which I was referring earlier is right here:
http://www.net54baseball.com/showpos...1&postcount=52