Your frame would need a new top tube and down tube, and an alignment. (without seeing it of course). A frame builder here in Ohio, for instance, would likely charge about $75 per tube, plus $30 for alignment. You could get it powdercoated by someone pretty cheaply... under $100. You'd be set up for under $280. More than the frame is worth..... but then again.... there are --no more-- of these frames these days.
Lugged steel frames are no longer made on the cheap.
Consider that.