Methinks there might be more to this story than meets the eye. How well do you know this guy? He is supposedly the person who buried them? For what reason did he say he buried them to begin with? Is he known to be a bullsh#&$tter at all? It doesn’t make much sense to bury something of supposed high value without a sure fire way of retrieving them. This is in the US? Britain? Somalia? Not some old guy just looking for companionship and yanking your chain? As said already, he should have a very good idea where they are within a few yards. Rent a mini back hoe for the day and dig that area up since it’s a field, won’t take but a couple hours to excavate a large area down to 3-4 feet. He didn’t blabber about it to someone else and it’s all gone already? That’s the issue with these treasure fables, you don’t know for sure if it IS there or ever WAS there. Kinda like that one show on TV….