Man, if there is even one 1930's era buffalo head nickel or something in there you may have made your money back already.
But what I'm really hoping for is a 1920's era charles daly side by side 12 gauge in mint condition with engraving and gold inlays. Then you could give it to me...
Oh, and Robert's enlistment papers would not be in a 1930's safe, guys. Those safes are not air-tight, and everybody knows that papyrus reed papers that they used back when he enlisted would have been destroyed by oxidation over the years.