News and Events

November 21, 2023

Spectacular CMQ and CMQ-X Approved Numismatic Treasures Bring Record Prices in the Stack’s Bowers Galleries November Rarities Night Auction

In their November 2023 Showcase Auction, Stack’s Bowers Galleries presented for the first time freshly reviewed rarities that had been approved by Greg Roberts and David Hall in the newly formed CMQ service.

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Sept 5, 2023

Stack’s Bowers Galleries Partners with Professional Coin Grading Service (PCGS) Founder David Hall to Launch Collectible Market Qualified (CMQ) Offering

The renowned numismatic auction house, and David Hall, the esteemed founder of Professional Coin Grading Service (PCGS), have partnered to introduce Collectible Market Qualified (CMQ), a new service that identifies the highest quality graded coins in the market.

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