there is a guy here somewhere (forget his name) that rebuilds them.
He'll find an old broken one or whatever, remove the limbs from the riser and re sand the riser and make new limbs and glass and all for it.
So essentially its a new bow of the same old wood. They even sell original rests and stuff at 3rivers.
There may be infringement laws about making an exact reproduction. But I think refinishing it like the guy does is probably legal. Which may be why he does it. Not that I know either way, I'm just guessing.
good luck.