Not sure what you mean by reasonable? Cheap? I'm afraid all new brass type is expensive if you ask me and used type is very hard to find.
You can expect to pay $350-$500 US for a set of brass type. Look at:
There may be more and I would appreciate knowing about more. I'd love to find a cheaper source.
One of the Bookbums @
Ish Kabibble Books
Never stop learning!