As of May, 2024, a 1820 Half Dollar O-104a Sq. 2, Lg Date, Knob 2 in circulated condition is worth between $750.00 and $3,500.00, depending on its grade and strike quality.

Looking back at auction records, the highest price was achieved by a Fine and Very Fine grade that was hammered at $8,812.50 in the 08/02/2017 by renowned auctioneer Heritage Auctions, showcasing the allure of top-tier rarities.

Designer: John Reich
Edge: Lettered: FIFTY CENTS OR HALF A DOLLAR
Diameter: 32.50 millimeters
Weight: 13.50 grams
Mintage: 751,122
Mint: Philadelphia
Metal: 89.2% Silver, 10.8% Copper
Series: Capped Bust Half Dollars 1807-1839

1820 Half Dollar O-104A Sq. 2, Lg Date, Knob 2 (Regular Strike) – Price Chart

If you are aware of your coin’s grade, refer to the following chart to determine its value:

GradePrice($)
XF-453,500.00
VF-352,500.00
VF-302,150.00
VF-201,750.00
G-6750.00

If you are unsure of the grade, you can assess it based on the coin’s condition. More detailed information here.

GradeLowest Price($)Highest Price($)Average Price($)
Extremely Fine3,500.003,500.003,500.00
Fine and Very Fine1,750.002,500.002,133.33
Good and Very Good750.00750.00750.00

Please note that the estimated values are derived from the latest data in the PCGS Price Guide and are not guaranteed to be 100% accurate. We strongly recommend reviewing actual auction records, which can be filtered by grade. For further insights, refer to our analysis report, which is based on these data.

Also, there are multiple versions of the 1820 Capped Bust Half Dollar. We recommend checking the values of these coins as well to ensure a comprehensive assessment.

Coin NameMin Circulated Price($)Max Circulated Price($)Min Uncirculated Price($)Max Uncirculated Price($)
1820/19 Half Dollar Square Base 2 (Regular Strike)125.007,000.007,500.0060,000.00
1820/19 Half Dollar Curl Base 2 (Regular Strike)60.005,500.006,000.0060,000.00
1820 Half Dollar Curl Base 2, Small Date (Regular Strike)150.004,750.006,000.0045,000.00
1820 Half Dollar Sq. 2, Lg Date, Knob 2 (Regular Strike)100.005,000.006,000.0040,000.00
1820 Half Dollar Sq. 2, Lg Date, No Knob (Regular Strike)100.004,500.005,000.00100,000.00
1820 Half Dollar (Proof)N/AN/A75,000.0090,000.00
1820 Half Dollar Overton 105a (Regular Strike)85.004,000.0018,000.0018,000.00
1820 Half Dollar O-106 Sq. 2, Lg Date, No Knob (Regular Strike)100.003,750.004,000.0057,500.00
1820 Half Dollar O-103 (Regular Strike)125.004,000.004,500.007,300.00
1820 Half Dollar O-108 Sq. 2, Lg Date, No Knob (Regular Strike)100.003,750.004,000.0090,000.00
1820 Half Dollar O-103a Curl Base 2, Small Date (Regular Strike)125.003,850.008,500.0023,500.00
1820 Half Dollar O-107, No Serifs on Es (Regular Strike)1,000.0032,500.00N/AN/A
1820 Half Dollar O-104 Sq. 2, Lg Date, Knob 2 (Regular Strike)95.004,250.004,750.0018,500.00
1820/19 Half Dollar Overton 101 Square Base 2 (Regular Strike)110.007,000.007,250.0047,000.00
1820/19 Half Dollar Overton 101a Square Base 2 (Regular Strike)110.007,000.007,250.0023,500.00
1820/19 Half Dollar O-102 Curl Base 2 (Regular Strike)110.005,000.006,000.0050,000.00
1820 Half Dollar O-105 Sq. 2, Lg Date, Knob 2 (Regular Strike)85.004,000.004,250.0020,000.00

Coins listed have various mint marks and designations indicating where they were minted and if they are special strikes. To learn more about what the different mint marks and designations mean, please refer to our Mint Mark Chart and Coin Designation Reference Chart.

1820 Half Dollar O-104A Sq. 2, Lg Date, Knob 2 (Regular Strike) – Auction Chart & Report

This tool is very user-friendly. Simply select the coin grade, and our system will provide detailed information including:

  • Lowest Sale Price
  • Highest Sale Price
  • Average Sale Price
  • Most Recent Sale Price
  • Number of Sales
  • Sales Volume

You can also select different time periods for your query: 1 month, 6 months, 1 year, 3 years, or All time, with the default set to All time.

Grade:
1m 6m 1y 3y All

$610.00

Lowest Sale Price
$8,812.50

Highest Sale Price
$4,711.25

Average Sale Price
$610.00

Most Recent Sale Price
2

Number of Sales
$9,422.50

Sales Volume

Grade Impact Analysis

GradeLowest Price($)Highest Price($)Average Price($)
XF-45190.006,300.003,245.00
VF-30132.00132.00132.00
VF-20610.008,812.504,711.25

The chart shows the min and max prices for the 1820 Half Dollar O-104a Sq. 2, Lg Date, Knob 2 (Regular Strike) coin across various grades from VF-20 to XF-45. The prices generally increase as the grade improves, with VF-20 having the highest max price $8,812.50.

Within each grade, there is also variability in prices, likely due to factors like specific coin characteristics or market conditions at time of sale. Overall, the chart illustrates how coin grade is a key driver of value for this particular 1820 Half Dollar O-104a Sq. 2, Lg Date, Knob 2 (Regular Strike).

Auction House Comparison

The pie chart breaks down the market share of various auction houses for selling the 1820 Half Dollar O-104a Sq. 2, Lg Date, Knob 2 (Regular Strike) coin. Heritage Auctions dominates with 40.00% share, followed by Goldberg Auctioneers / Sheridan Downey with 40.00% / 20.00% appearances respectively..

Price Trend Over Time

The graph presents a detailed analysis of the average annual auction sale price and frequency for the 1820 Half Dollar O-104a Sq. 2, Lg Date, Knob 2 (Regular Strike) coin over the years. This visual representation traces the coin's value fluctuations, illustrating periods of increase, decrease, or stability in its average auction price.

Such a historical view is indispensable for collectors, investors, or researchers who are keen on comprehending the market dynamics and the coin's value trend over an extended period.

Raw Auction Records

Here are the lasted auction records from the auction history of the past years. You can filter these records by coin grade.

GradeGrade SourceSellerPrice($)Sold Date
XF-45PCGSHeritage Auctions6,300.0001/14/2019
VF-20PCGSSheridan Downey610.0008/15/2018
VF-20PCGSHeritage Auctions8,812.5008/02/2017
VF-30NONEGoldberg Auctioneers132.0010/02/2001
XF-45NONEGoldberg Auctioneers190.0002/06/2000