Depends on model (MKI, MkII, or MkIII), and if a MkI or MkII, if it comes with both cal quick-release interchangeable barrels (one in .177 and one in .22), or just the one. Also, are original front sights intact and in place, as collectors like these present, and they are hard to find these days. Photos, too, will be a great help in assessing a value . Hope this helps. Atb: G.