No prob. There are two that have slight dirty marks that may take a couple of minutes to clean up to a nice shine (if you prefer that), but certainly no damage. When I bought them the seller said she worked in Vegas in the 70's and early 80's in The Minth and picked them up as souvenirs at that time. Probably sat in a drawer for 25 years! Like I said above, I'm glad when any collectable finds a good home!
If I get a chance I'll have a hunt over the weekend to see if I can find any more from when I first started collecting.
Regards. Jason