The relatively new Shades collection from H&FJ is quite fetching.

http://www.typography.com/catalog/shades/index.html

I think you need to count P22's Bifur, a revival of Cassandre's two-tone, in this category.

The breathtakin' fabulous '( LTR ) Federal', from LettError, maybe.?
> www.letterror.com/catalog/fed/index.html

I've made a (free) layered thing called Dummytapes based on the Dymo. You can get it at my site. (mac only)
http://www.kennmunk.com/fonts

We have a few two part fonts at P22/IHOF, but Hedonic from Robbie Woodard would be the most "beveled"
http://www.p22.com/ihof/hedonicchisel.html

Thanks for all the refs.
The more the merrier.

hhp

and then there are these prismatic fonts from letterhead fonts.