Mack C. Chase Collection Realizes $2,448,125 at Stack’s Bowers Galleries Auction

Stack’s Bowers Galleries announced that an offering of 253 lots from the Mack C. Chase Collection realized $2,448,125 in its auction held on September 3, 2026, in conjunction with the firm’s Summer Global Showcase Auction. According to John M. Pack, executive director of consignments for Stack’s Bowers Galleries, Mack C. Chase built the collection over many years.

Auction Highlights and Record Prices

The highest price achieved in the Mack C. Chase Collection was for lot 4050, a 1921-D Walking Liberty Half Dollar graded MS-66 by PCGS and approved by CAC and CMQ, which realized a record $183,000. A 1917-D Walking Liberty Half Dollar with reverse mintmark, graded PCGS MS-67, brought $122,000, smashing prior auction records. A 1918-D Walking Liberty Half Dollar in PCGS MS-66 realized $115,900. A 1918-S Walking Liberty Half Dollar graded PCGS MS-66 brought $91,500, a record for the date.

Additional Notable Sales

The single finest 1920-S Walking Liberty Half Dollar, graded MS-67 by NGC, realized $85,400, a record for an NGC-graded coin. A 1916-D Walking Liberty Half Dollar graded MS-67 by PCGS brought a record $56,120. A beautifully toned superb gem 1929-S Walking Liberty Half Dollar garnered $67,100. An incredible 1940 Walking Liberty Half Dollar, graded MS-69 by NGC and the only one in that grade for the series, realized $39,040, a record for the date. The single finest NGC-graded 1944-D Walking Liberty Half Dollar fetched $24,400, a record for an NGC-graded example.

Future Offerings

Mr. Pack said the next offering from the Chase Collection will be in the firm’s November 2026 Showcase Auction. All prices include the buyer’s premium.