Sarasota's Numismatic Guaranty Co. graded coins that sold at
Philip I c95-75 BC Seleucid Kingdom AR Tetradrachm NGC XF40
NGC marks 35 years on holder label - Canadian Coin News
Catalog, Live Auction - Nov 30th Denver Director Coin Auction-14173 by Gold Standard Auctions
NGC Grades Important Collection of Chinese Patterns Featuring Mao Zedong - Numismatic News
Numismatic Guaranty Corporation of America, NGC, Sarasota, FL - MapQuest
Understanding Grading & Certification
NUMISMATIC GUARANTY CORPORATION OF AMERICA, NGC - 23 Reviews - Sarasota, Florida - Local Services - Phone Number - Yelp
Group of NGC-certified Massachusetts Coins Realizes Over $2.9 Million
Catalog, Live Auction - Apr 13th San Francisco Spring Coin Auction-14988 by Gold Standard Auctions