Old Supergo Access hardtail MTB made from Columbus Cromor, with a top peg brazed behind the seat tube. Gotta be Shrader. Top and bottom mounts look like this:

https://www.dropbox.com/s/1uljlj761ucw49t/BB.jpg?dl=0

https://www.dropbox.com/s/o0vzchu04er2gr2/ST.jpg?dl=0

Thanks a lot, guys.

retroguy