Whitman Expo
As America celebrates its 250th anniversary, Robert L. Rodriguez combines cutting-edge science, numismatic research, and detective work to uncover new evidence about one of the nation's most enigmatic artifacts.
No G4 photos on record yet — showing auction lots of this item in other grades
Coin Value History
1827 50c Square Base 2, O-130 G4
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1827 50C Square Base 2, O-130, R.4, VF25 PCGS. PCGS Population: (2/16). NGC Census: (1/15). CDN: $108 Whsle. Bid for NGC/PC...
VF25
PCGS
$149
1827 50C Square Base 2, O-130, R.3, VF25 NGC. Ex: Skidaway Island Collection. NGC Census: (1/16). PCGS Population (0/7). Mi...
VF25
NGC
$112
1827 50C Square Base 2, O-130, R.3, VF25 NGC. Ex: The Skidaway Island Collection. NGC Census: (1/16). PCGS Population ...
VF25
NGC
$118
1827 Capped Bust Half Dollar. O-130. Rarity-3. Square Base 2. VF-30 (PCGS).
VF30
PCGS
$85
1827 50C Square Base 2, O-130, R.3, XF40 PCGS. PCGS Population: (2/9). NGC Census: (0/13). XF40. Mintage 5,493,400. ...
XF40
PCGS
$156
1827 50C Square Base 2, O-130, R.3, -- Cleaned -- ANACS. XF40 Details. NGC Census: (0/13). PCGS Population: (2/9). XF40. Mi...
XF40
ANACS
$99
1827 Capped Bust Half Dollar. O-130. Rarity-3. Square Base 2. EF-40 (PCGS).
XF40
PCGS
$318
1827 Capped Bust Half Dollar. O-130. Square Base 2. EF-45 (PCGS).
XF45
PCGS
$312
1827 50C Square Base 2, O-130, R.3, XF45 NGC. EX: Skidaway Island Collection. NGC Census: (3/10). PCGS Population: (3/3). ...
XF45
NGC
$212
1827 50C Square Base 2, O-130, R.3, XF45 NGC. Ex: The Skidaway Island Collection. NGC Census: (3/11). PCGS Population (...
XF45
NGC
$200
1827 50C Square Base 2, O-130, R.4, AU55 PCGS. PCGS Population: 3 in 55, 3 finer (10/25). CDN: $528 Whsle. Bid for NGC/PCGS...
AU55
PCGS
$610
1827 50C Square Base 2, O-130, R.4, AU55 PCGS. CAC....
AU55
PCGS
$1,620
1827 50C Square Base 2, O-130, R.4, AU55 PCGS. CAC. PCGS Population: (3/3). NGC Census: (1/5). CDN: $456 Whsle. Bid for NGC...
AU55
PCGS
$1,800
1827 50C Square Base 2, O-130, R.4, AU58 PCGS. PCGS Population: (1/2). NGC Census: (2/3). AU58. Mintage 5,493,400. Fr...
AU58
PCGS
$780
1827 50C Square Base 2, O-130, R.3, AU55 PCGS. PCGS Population: (3/2). NGC Census: (1/5). Mintage 5,493,400. ...
AU55
PCGS
$576
1827 50C Square Base 2, O-130, R.3, XF45 PCGS. PCGS Population (2/2). NGC Census: (3/11). Mintage: 5,493,400. ...
XF45
PCGS
$446
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Events
Heritage Auctions: US Currency Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World Paper Money Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World & Ancient Coins ANA Signature Auction & Platinum Session
Location: Heritage Auctions
Tuesday, September 1, 2026