Can someone help me with this?

Subject: Can someone help me with this? Wed Apr 13, 2011 2:18 pm

i came across this coin in ebay and was wondering if it shows signs that this was placed in a holder with pvc

Can someone help me with this? 1904-POnePeso

Can someone help me with this? 1904-POnePeso

i've never seen toning like this on any of my coins before and im hoping someone here has any knowledge on this. thanks in advance!

Subject: Re: Can someone help me with this? Fri Apr 15, 2011 3:07 am

it's probably submerged in a river or lake then got covered in algae over time.

i have something similar, except that my coin had corrosion because it was submerged in sea water (taken from a shipwreck). but we have the same tone (green, brown, with a bit of it going to black)