Ok, thanks to all for the input on this. I'll see about measuring the headtube angle on the frame. The fork is from this bike. Attached is a picture of just the 25" Sekine frame and said fork. The fork is a Tange and has a nice Chromoly "ring" to it so I figured why not use it, particularly for the cantilever braze-ons. They might make for a nice front mini-rack mount. The fork crown is also through-drilled for a fender (or brake). This bike looks like it could resemble a Peugeot U0-8 when done. Maybe it'll ride the same.