I have a 1852 model sharps, made by IAB Marcheno, I bought it back around 1977 and have shot it about 25 times total,I am looking to get a flintlock Bess and want to sell this one, email me and I can send you some pics if you are interested tiger13@nc.rr.com
Rusty
Henderson NC
buffaloarms.com has a Pedersoli 54 cal Sharps for sale, look in the firearms section and then under the consignment section. Also look at gunbroker.com in the B/P and single shot sections