Sarasota's Numismatic Guaranty Co. graded coins that sold at

Catalog, Live Auction - Mar 9th San Francisco Spring Coin Auction-14850 by Gold Standard Auctions

Over a Dozen Times, NGC-certified Coins Topped $1 Million in 2021

NGC-certified Russian Coin Realizes Over $500,000 in SINCONA Sale

1949-D Franklin Half Dollar 50C NGC MS64FBL

Jeff Garrett: Collecting Details-Graded Coins

Ben Wengel - Senior Grading Finalizer of World Coins - Numismatic Guaranty Company (NGC)

Catalog - Page5, Live Auction - Apr 7th San Francisco Spring Coin Auction-14984 by Gold Standard Auctions

NUMISMATIC GUARANTY CORPORATION OF AMERICA, NGC - 23 Reviews - Sarasota, Florida - Local Services - Phone Number - Yelp

Sarasota's Numismatic Guaranty Co. grades 'Hawaii Five-O' coin that sells for $4M

NGC-certified Edward VIII Gold 5 Sovereign Realizes $2.45 Million, a New Record for a British Coin at Auction

Apr 12th San Francisco Spring Coin Auction on Apr 12, 2024 by Gold Standard Auctions in TX

Gold coin certified by Sarasota company sells for over $2 million

NGC-certified McCloskey Collection Featured in Heritage Auctions' FUN Show Sale

NUMISMATIC GUARANTY CORPORATION OF AMERICA, NGC - 23 Reviews - Sarasota, Florida - Local Services - Phone Number - Yelp

Grading & Certification - NGC Grades 35 Millionth Coin