Coin Cleaning Help

[alwayslookin]

I found a box of old coins--Merc and Rosie dimes wheats, Buffalo nickles Silver Jefferson Nickles..Approximately 200 coins that my father had. Unfortunately he had glued them to a board. They are now loose in a bag but I need to get the glue off without damaging the coins. They were glued on the board in the 1960's so the glue is old. I tried soaking them in soft soap and boiling water and that seemed to work some but not for all of them. What I am looking for on this is your ideas---

Thanks in advance

Dave

[Cfm]

Try Goo Gone... I use it to clean most things...

http://www.magicamerican.com/products_gg.shtml

[jeff of pa]

Soaking in Alcahol for a couple days may work also.

[alwayslookin]

Thanks..I do have goo gone but was concerned what it might do to the silver and old copper..don't really want to clean the coins per say..just disolve the glue.

[TORRERO]

If the glue is like Elmers glue, then if you leave them soaking in warm water it will eventually desolve, if its some kind of contact cement, I really don't know
but remember that even when you get all the glue off, it may still leave a
bright clean looking spot where the clue kept the air away from the coin and the
rest of the coin oxidized.
Good luck.

P.S.
if I ever put things on a picture frame I always use Elmors type glue
so that later I can remove it by soaking in hot water if I want to change it in the future.