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.
Auction lot photos of this item graded MS61
Coin Value History
1827 50c Square Base 2, O-104 MS61
Thank you to our sponsors!
Go check them out!
1827 50C Square Base 2, O-104, R.1, MS61 NGC. ...
MS61
NGC
$1,080
1827 50C Square Base 2, O-104, R.1, MS61 NGC. ...
MS61
NGC
$2,232
1827 50C Square Base 2, O-104, R.1, MS62 PCGS. CAC. Housed in a Generation 3.0 green label holder. CAC Population: (15/47)....
MS62
PCGS
$2,280
1827 50C Square Base 2, O-104, R.1, MS62 NGC....
MS62
NGC
$1,320
1827 50C Square Base 2, O-104, R.1, MS64 PCGS. CAC. ...
MS64
PCGS
$2,893
1827 50C Square Base 2, O-104, R.1, MS64 PCGS. CAC. ...
MS64
PCGS
$3,000
1827 Capped Bust Half Dollar. O-104. Rarity-1. Square Base 2. AU-58 (PCGS). CAC.
AU58
PCGS
$840
1827 50C Square Base 2, O-104, R.1, AU58+ PCGS. ...
AU58
PCGS
$940
1827 50C Square Base 2, O-104, R.1, AU55 PCGS. Mintage 5,493,400....
AU55
PCGS
$480
1827 50C Square Base 2, O-104, R.1, AU55 NGC. NGC Census: (2/12)....
AU55
NGC
$552
1827 50C Square Base 2, O-104, R.1, AU53 NGC. CDN: $396 Whsle. Bid for NGC/PCGS AU53. Mintage 5,493,400. ...
AU53
NGC
$537
1827 50C Square Base 2, O-104, R.1 -- Scratched -- ANACS Details. XF40 Details. ...
XF40
$119
1827 Capped Bust Half Dollar. O-104. Rarity-1. Square Base 2. AU Details--Cleaned (PCGS).
$360
1827 Capped Bust Half Dollar. O-104. Rarity-1. Square Base 2. AU-50 (NGC).
AU50
NGC
$432
1827 50C Square Base 2, O-104, R.1, XF45 PCGS. CDN: $190 Whsle. Bid for NGC/PCGS XF45. Mintage 5,493,400....
XF45
PCGS
$293
1827 50C Square Base 2, O-104, R.1, XF45 PCGS. PCGS Population: 10 in 45, 20 finer (10/25). CDN: $190 Whsle. Bid for NGC/PC...
XF45
PCGS
$220
1827 50C Square Base 2, O-104, R.1, XF40 PCGS. Ex: Manhattan Collection. PCGS Population: (6/30). NGC Census: (3/29). CDN: ...
XF40
PCGS
$228
1827 50C Square Base 2, O-104, R.1, AU53 PCGS. Mintage 5,493,400....
AU53
PCGS
$360
1827 50C Square Base 2, O-104, R.1, AU50 PCGS. Mintage 5,493,400....
AU50
PCGS
$456
1827 50C Square Base 2, O-104, R.1, XF40 NGC. NGC Census: (3/28)....
XF40
NGC
$169
1827 50C Square Base 2, O-104, R.1, AU53 NGC. NGC Census: (4/14)....
AU53
NGC
$288
1827 50C Square Base 2, O-104, R.1, VF35 NGC. NGC Census: (2/32). PCGS Population: (2/35). CDN: $125 Whsle. Bid for NGC/PCG...
VF35
NGC
$114
1827 50C Square Base 2, O-104, R.1, VF25 NGC. NGC Census: (2/36). PCGS Population (0/25). ...
VF25
NGC
$109
1827 50C Square Base 2, O-104, R.1, VF35 NGC. NGC Census: (2/31). PCGS Population: (1/30). ...
VF35
NGC
$89
1827 50C Square Base 2, O-104, R.1, VF25 NGC. NGC Census: (2/36). PCGS Population (0/25). ...
VF25
NGC
$106
Greysheet News
Science Meets 1776: New Whitman Book Reopens the Mystery of the Continental Dollar
10/28/2026
Whitman Prestige™ Becomes One of the Hobby's Fastest-Growing Premium Coin Album Lines
More than 125 album variations now span 25+ series and collections, as Whitman expands the line with a modern U.S. Type Collection, new Proof Set albums, digital registry sets, and My First Album™ starter collections for the next generation of collectors.
10/23/2026
Historic 1792 Half Disme Brings Record $2.93 Million, Leads Heritage's GACC Numismatic Auctions Above $19 Million
Newly discovered 1867-S Half Eagle also shatters previous auction record in $10.665 million U.S. coins event; 1934 $10,000 Federal Reserve Note Leads $8.7 million U.S. currency auction.
10/15/2026
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