Though I don't have the bike yet Mike Barry did send along some pictures of the Mariposa frame that they're building for me. The bike itself will end up with a more modern assortment of components but the frame certainly would seem to fall within the guidelines of this group. The pictures are on line at:
http://folks.harbornet.com/
The content of the page will change as the project progresses.
Ken Stagg
Tacoma, Washington