The Numismatic Guaranty Company has introduced the design as part of a new high-security program. The Numismatic Guaranty Company (NGC) has introduced a new QR code with a high-security hologram as a new component of its strategy for fighting counterfeiting and to make it safer for customers to trust in shopping for NGC-certified medals, coins and tokens. The holograms and quick response barcodes will also be combined with numerical security codes. By working the holograms, QR code and numerical security codes together, the combination becomes unique to the specific collectable…
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