I have the chance to purchase a "Jack Garner rifle built by Daisy Coombs" in the words of the seller. It is a .54 caliber, Lancaster style, 42" swamped barrel in super premium plus curly maple with German silver trim. It was a flintlock for 10 years and then the owner converted it to percussion. He says I can get a flintlock to change it back if I want. Said he has owned it for 25 years and it was $1,500 new back then and is offering it to me for $500. He sent me pictures but due to conflicting schedules we can't meet until next week for me to see it. I have a Pedersoli Blue Ridge flint and would like something a little nicer and if I buy this rifle, would probably change it back to flint. What do you all think? Good deal or no? Things to look for when I actually see the rifle? Thanks for your help.