I was visiting a local gun show and a vendor has a few Winchester 1873 rifles for sale. They are mostly 1887 -1889 44/40 vintage, with fair bores/ grooving and good wood and metal conduction. He said, they are all in working conduction and he has shot each of these rifles. I have two questions, 1887/1889 vintage Winchester 1873 rifle should they only be shot with black powder or as the vendor noted it's safe to shoot cowboy load in them? Second question, I know without photos, it's difficult to put a price on these rifles, but he is asking $2,500.00 for each rifles, is this a fair price?