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LOL, here ya go. Taylor's EASY SHAVER, Lister's Patent razor. Has no wedge and the "third" pin stops the blade short of the blade hitting the scales....

Don't know if I'm any more qualified than you but I have slept in a Holiday Inn a time or 900..

That's what I figure too. Got a few with three pins and the third pin works as a blade stop.

I love wedges. However, I have a 7/8 "Celebrated" Hollow Ground Razor very similar to yours.
http://i658.photobucket.com/albums/uu303/Wullie_01/RAZOR%20STUFF%20II/razors095.jpg
It is one of the...