Needs some help

[plymouthian12]

Hit the water tonight and I think I found my 1st cob back is toasted measures 3/4 of an inch by just over a half inch. Do you think it is

 

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[cudamark]

You may have to do a bit more clean up and/or an acid test to tell.

 

[plymouthian12]

Here's the back very worn and pitted

 

[jan nielsen]

Put it in baking soda for a few days then we will see.

 

[plymouthian12]

Was thinking of electrolysis bad idea?

 

[plymouthian12]

How soupy do I make the baking soda

 

[cudamark]

I'd be more tempted to soak it in vinegar overnight and rub it with baking soda afterward, then rinse it good. Sure works good on silver jewelry and modern silver coins.

 

[plymouthian12]

Thanks cudamark

 

[Bigcypresshunter]

I would post this in the Spanish Cobs Forum. Electrolysis is better for iron.

 

[plymouthian12]

Thanks