Whitman Expo
Stack's Bowers Galleries, legendary rare coin auction firm, is proud to announce that records were shattered in their September 3, 2026, offering of the Mack C. Chase Collection.
No VG10 photos on record yet — showing auction lots of this item in other grades
Coin Value History
1827 50c Square Base 2, O-117a VG10 CAC
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1827 50C Square Base 2, O-117a, R.4, VF25 PCGS. PCGS Population: (1/2). NGC Census: (0/3). Mintage 5,493,400. ...
VF25
PCGS
$312
1827 50C Square Base 2, O-117a, R.4, AU53 PCGS. CAC. PCGS Population: (1/2). NGC Census: (0/4). CDN: $330 Whsle. Bid for NG...
AU53
PCGS
$750
1827 50C Square Base 2, O-117a, R.4, AU55 PCGS. PCGS Population: 1 in 55, 2 finer (10/25). CDN: $528 Whsle. Bid for NGC/PCG...
AU55
PCGS
$561
1827 50C Square Base 2, O-117a, R.4, AU55 PCGS. CAC....
AU55
PCGS
$960
1827 50C Square Base 2, O-117a, R.4, AU58 PCGS. CDN: $924 Whsle. Bid for NGC/PCGS AU58. ...
AU58
PCGS
$1,007
1827 50C Square Base 2, O-117a, R.3, AU58 PCGS. ...
AU58
PCGS
$1,116
1827 50C Square Base 2, O-117a, R.4, MS62 PCGS. ...
MS62
PCGS
$1,528
Greysheet News
Mack C. Chase Collection of Walking Liberty Half Dollars Realizes Nearly $2.5 Million in Stack's Bowers Galleries' 2026 Global Showcase Auction
9/25/2026
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The Lipton Gallery is displaying a $3 million Augustus Saint-Gaudens statue that inspired the famous, similar design for Double Eagle gold coins.
9/24/2026
Consumer Advocate Mike Fuljenz Wins NLG's Newsletter Award
His free weekly newsletter offers insights on the coin and metals markets, and consumer education.
9/15/2026
Events
Heritage Auctions: US Coins Tuesday & Wednesday Select Auction
Location: Heritage Auctions
Wednesday, July 1, 2026
Heritage Auctions: World & Ancient Coins Wednesday & Thursday Select Auction
Location: Heritage Auctions
Thursday, July 2, 2026
