Some time ago i ordered a golden bicentennial coin collection (starcrest sku#76754 ump#3407) are the numbers on the packet, they now are turning green, they have never been out of the container that they arrived in. PLEASE tell me that you will replace them . The certificat of authenticity is in the packet. they to me are not authentic.because I have other gold coins older than these with NO signs of green oxidation.this page is being copied to appear in national news papers to make the public aware of this kind of goings -on. I will not order anymore till this matter is resolved. read full review »