NGC Vintage and Modern US Coin Highlights in the Stack's Bowers

Stack's Bowers Offers NGC-certified Vintage Proof Sets

Stack's Bowers Galleries Sets World Record With Sale Of 1794

NGC-certified 1794 Dollar Realizes Over $800,000 in Stack's Bowers

PCGS Graded 21 of Top 25 Most-Expensive United States Coins Sold

Newman Numismatic Portal at Washington University in St. Louis

Stack's Bowers August Hong Kong Auction Realizes $4.26 Million

Stacks Bowers

Stack's Bowers 2017 ANA World Coin, Ancient Coin and Currency

Auktionsliste - CoinsWeekly

NGC-certified Vintage Chinese Coins to Realize Six Figures in

RCMR - 2018 #3 May/June by Professional Coin Grading Service (PCGS