NGC Coin Census Population Report Scraper

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Extract graded coin population data from the NGC (Numismatic Guaranty Corporation) Coin Census Population Report — the numismatic industry's most comprehensive and authoritative graded coin database, tracking 50M+ graded coins across all countries and eras.

What It Does

This actor queries the public NGC coin census API to retrieve structured population report data including:

• Coin series name, year, date, denomination, and mint mark
• Designation (MS = Mint State, PF = Proof, SP = Specimen)
• Total NGC population (number of coins graded)
• Full grade breakdown (MS-60 through MS-70, Proof grades, Details grades)
• Star designations and Plus grades
• Variety and strike information

Modes

Input Parameters

Output Fields

{
"coinId":17311,
"populationId":101098537,
"displayName":"1878 8TF $1 PF",
"year":"1878 8TF",
"numericYear":1878,
"denomination":"$1",
"mintMark":"",
"designation":"PF",
"coinSeriesName":"Morgan Dollars (1878-1921)",
"populationTotal":112,
"hasMSPopulation":false,
"hasPFPopulation":true,
"gradeBreakdown":{
"MS-67":3,
"MS-66":8,
"MS-65":21,
"MS-64":37,
"UNC Details":2,
"AU Details":1
},
"sourceUrl":"https://www.ngccoin.com/population-report/united-states/morgan-dollars-1878-2009-pscid-133/",
"recordType":"coinCensus",
"scrapedAt":"2026-06-02T12:00:00+00:00"
}

Common Category IDs

Use mode=listCategories to get the complete list of 290+ categories.

Example Use Cases

• Coin valuation research — Determine rarity by checking how many MS-65+ examples exist
• Population tracking — Monitor NGC census data for specific coin series over time
• Numismatic research — Analyze grade distribution for US or world coins
• Coin dealer tools — Export population data for pricing and inventory analysis

Data Source

Data comes from the NGC Coin Census API (production.api.aws.ccg-ops.com) — the official backend API powering NGC's public Population Report at ngccoin.com. No authentication, API key, or proxy required.

Frequently Asked Questions

What is the NGC Population Report? The NGC Population Report tracks every coin submitted to NGC for grading, showing how many examples have been certified at each grade level. It is widely used by collectors and dealers to assess coin rarity and value.

Are all countries covered? Yes — NGC grades coins from over 100 countries. Use mode=listCategories to see the full list or mode=byCategoryId with the appropriate country category ID.

What do the grade levels mean? NGC uses the Sheldon scale (1-70) for numeric grades. MS (Mint State) = uncirculated, PF (Proof) = specially struck for collectors, SP (Specimen) = early collector issues. "Details" grades indicate cleaned or damaged coins.

What does population mean? Population is the total number of coins certified by NGC at or for that particular grade. Higher populations indicate more common coins; lower populations indicate rarer examples.