You could try digging in the same hole over and over.I just starting doing this and my sims are finding lot's of stuff.I used to have them dig here and there , lol but i read this in a thread somewhere that you can keep digging in the same whole,pretty neat eh?
Thank you!! I found it. He had to dig the same hole about 20 times but it paid off. His memento collection is now complete :lol: