Hallmark Images for Purity, Gold, Silver and Platinum to print and save. It's so annoying when you see hallmarks and can't work out what they mean, so here's my answer which is a copy of a card I carry around...
How to identify counterfeit Sony Memory Stick Pro Duo MagicGate Cards Below is a stringent list of Certified Genuine Authentic sellers for peace of mind purchase of flash and computer memories on eBay....