30th Anniversary NGC MS70 AM237. International Buyers & Canada Please Note. Questions not addressed here? We are PCGS, NGC & CAC Authorized Dealers and GIA Qualified Diamond graders. You can also find us everywhere by the same name we use here. Please read our feedback to feel comfortable with our policy. All items are GUARANTEED GENUINE AND AS DESCRIBED. Please include the item number if you do return something. Listing and template services provided by inkFrog.