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 MS66 photos on record yet — showing auction lots of this item in other grades
Coin Value History
1827 50c Square Base 2, O-120a MS66
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1827 50C Square Base 2, O-120a, R.2, MS65 PCGS. ...
MS65
PCGS
$5,368
1827 50C Square Base 2, O-120a, R.2, MS65 NGC....
MS65
NGC
$6,600
1827 50C Square Base 2, O-120a, R.2, MS65 NGC....
MS65
NGC
$4,920
1827 50C Square Base 2, O-120a, R.2, MS64 PCGS. ...
MS64
PCGS
$5,280
1827 50C Square Base 2, O-120a, R.2, MS64 NGC. ...
MS64
NGC
$2,640
1827 50C Square Base 2, O-120a, R.3, MS64 PCGS. CAC. ...
MS64
PCGS
$3,203
1827 50C Square Base 2, O-120a, R.3, MS64 PCGS. ...
MS64
PCGS
$2,832
1827 50C Square Base 2, O-120a, R.3, MS63 NGC. ...
MS63
NGC
$1,620
1827 50C Square Base 2, O-120a, R.3, MS62 PCGS. ...
MS62
PCGS
$1,110
1827 Capped Bust Half Dollar. O-120a. Rarity-3. Square Base 2. MS-62 (PCGS).
MS62
PCGS
$1,320
1827 50C Square Base 2, O-120a, R.2, AU53 PCGS. Ex: Peterson. PCGS Population: 4 in 53, 17 finer (10/25). CDN: $302.50 Whsl...
AU53
PCGS
$390
1827 50C Square Base 2, O-120a, R.2, AU53 PCGS....
AU53
PCGS
$576
1827 50C Square Base 2, O-120a, R.2, AU55 PCGS. CAC. PCGS Population: (8/8). NGC Census: (6/12). CDN: $375 Whsle. Bid for N...
AU55
PCGS
$552
1827 Capped Bust Half Dollar. O-120a. Rarity-2. Die State 120.2. Square Base 2. AU-55 (PCGS).
AU55
PCGS
$408
1827 Capped Bust Half Dollar. O-120a. Square Base 2. AU-55 (NGC).
AU55
NGC
$480
1827 50C Square Base 2, O-120a, R.2, AU55 PCGS. PCGS Population: (8/8). NGC Census: (6/12). CDN: $380 Whsle. Bid for NGC/PC...
AU55
PCGS
$360
1827 50C Square Base 2, O-120a, R.2, AU55 PCGS. PCGS Population: (8/8). NGC Census: (6/12). CDN: $380 Whsle. Bid for NGC/PC...
AU55
PCGS
$372
1827 50C Square Base 2, O-120a, R.2, AU55 PCGS. Ex: Link. PCGS Population: (8/8 and 0/1+). NGC Census: (6/12 and 0/0+). CDN...
AU55
PCGS
$840
1827 Capped Bust Half Dollar. O-120a. Rarity-2. Square Base 2. AU-53 (ANACS). OH.
AU53
ANACS
$384
1827 50C Square Base 2, O-120a, R.3, VF35 NGC. NGC Census: (1/29). PCGS Population: (0/26). VF35. ...
VF35
NGC
$132
1827 50C Square Base 2, O-120a, R.3, XF45 PCGS. PCGS Population: (5/19). NGC Census: (2/19). XF45. ...
XF45
PCGS
$192
1827 50C Square Base 2, O-120a, R.3, AU58 PCGS. ...
AU58
PCGS
$764
1827 50C Square Base 2, O-120a, R.3, XF45 NGC. NGC Census: (2/19). PCGS Population: (5/12). ...
XF45
NGC
$212
1827 50C Square Base 2, O-120a, R.3, AU58+ PCGS. ...
AU58
PCGS
$1,998
1827 Capped Bust Half Dollar. O-120a. Rarity-3. Square-Base 2. MS-61 (NGC).
MS61
NGC
$1,653
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
Kevin Lipton Opens Impressive Rare Coins, Fine Art & Antiques Gallery in Beverly Hills
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
