Type II has three stars below the eagle on the reverse, the type I has none. Also, Lady Liberty is more modestly attired on the type II, and her cowlick has been brushed down
Bare breast (no mail) on Liberty, no stars beneath the eagle on reverse. Even if the obverse is completely slick, you can tell a Type I by looking at the reverse. Edit: Missed it by seconds! (Bonus points for including the images, as long as they don't get busted [ahem] on 1950s-TV grounds... )
If the mods find a genuine coin design and its description offensive, they'll redact the 'naughty bits' to their satisfaction, I'm sure