Trek 520, Colnago MasterLight, LeMond Fillmore, Univega Sportour, usually others too
For someone looking specifically for that you might get lucky. Otherwise turn it into a clock and hang it on a wall. I'd say $30 would be way high, but EBay has surprising results at times. And without the cotters your buyer will have to know where to get them, and if the buyer knows where to get cotters then they most likely won't pay $30. Your geographic location will have some influence on your success.