ryan, tell me more about uncle george. >> i like to refer to him as a professional collector. he had a pretty decent stamp collection. he had books, almanacs, but coins were his main thing. >> truth be told, ryan doesn't know his uncle george well, and neither, it seems, does anyone else. he's a lifelong bachelor and successful estate appraiser, a job that keeps him constantly on the move. he lives in a series of hotels from north carolina to florida. exactly how walton came to acquire his 1913 nickel is equally murky. the most oft-told story is that in 1946, he trades $3,750 worth of gold for the rare nickel. the seller, the story goes, may or may not be an heir to the camel cigarette fortune. >> it was said a member of the tobacco reynolds family, so we can assume that it may have been r.j. reynolds. >> however he acquires it, the 1913 nickel gives walton a special status on the coin-show circuit. >> it was a calling card of sorts because if you were one of the owners of a 1913 nickel, you were an important collector. >> walton plays the role of swaggering, inscrutable colle