> On Jul 21, 12:54 am, Ray Haddad perthmagic.com> wrote:
>
>
>

>> 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

>
> I got the older ones the size of a US .50 cent piece   and they also
> had half cents that were the size of a quarter
>
> thanks for the info