I just cleaned out my dad's hoarder house (horrible, so very horrible...) but there were some good thing that we managed to dig out and save...
He used to collect coins. My sister had no interest, and I also collect coins, so now I have about 3 lunch sized coolers (the cleanest containers we could find) filled with coins, in addition to the coin collector folio books that have turned to mush but still contain the coins. Most of the loose stuff are pennies - wheat ones definitely - and silver. I had to fly home, so they are all stored until I can get back up there to haul back my stuff, but I grabbed a few before I came back and looked them up.
I had a 1943 S walking liberty half dollar - worth $8 just for the silver melt value. Maybe $12-20 depending on condition. There were also some Kennedy half dollars (not worth as much obviously) and a 1973 French franc! My dad had never been to France and the homestate is not a port of call for any international entry, so that's a weird one to have... and I think useless since the Euro adoption.
I am going to have to look up the best way to clean them (there was mold in the house and some of the coins are stuck together as well with sticky residue) without damaging the values, but I've got a very long weekend or longer to sort through all of those coins coming!