On tonight's Curator's Corner, John Popp joins National Firearms Museum Director Jim Supica for a special segment at the Wanenmacher's Tulsa Arms Show in Tulsa, Oklahoma. Supica introduces special guest S.P. Fjestad, author and editor of the Blue Book of Gun Values. Fjestad explains the history of this important reference guide and details its massive expansion and current online version. He also explains some of the basic factors that determine the pricing of firearms, using real guns to demonstrate differences in configuration and finish. Originally aired 6/3/2010.