> On Sun, 20 Jul 2008 22:47:26 -0700 (PDT), I said, "Pick a card, any
> card" and bamab...@yahoo.com instead replied:
>

>>Does anyone know what chemical or substance that is used for aging
>>copper coins? I am referring to the aging process like Schoolcraft
>>uses on his East African coins - check out the link below:

>

>>http://www.coingaffs.com/shells_expanded_sets.htm

>

>>I would like to make some of my copper Austrailian pennies with the
>>same aged effect.

>
> The aged look is oxidation on the coin from long exposure to air,
> fingerprint oils and other coins. To duplicate this in a hurry, the
> con artists selling faked old coins insert them into the gullet of a
> goose for a few days allowing the mild acids there to do their work.
> The goose can't swallow them and it's cruel to the goose so I don't
> recommend that in any way. However, you can use a diluted vinegar
> solution mixed with a bit of salt. That will get you a slightly
> green patina which when rubbed while wet with a soft cloth will come
> close to making them look aged. After you do this, hold the coins in
> your hands a lot to soften the effect and make them look more
> natural.
>

>>By the way I picked up a bunch of these today for about .25 cents each
>>at a local coin show.   You just gotta love the Roo on the back side
>>of these! It leads to many patter posibilities.

>
> Did you get the old full sized ones or the new ones that are about
> the size of a US 10c piece?
> --
> Ray