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NGC Coin Price Guide & Coin Explorer Scraper
Scrapes the full NGC Coin price guide (US + World coins) — one record per coin-grade-designation with mintage, designer, composition, and the complete grade ladder from PO1 through MS/PF-70. Covers all NGC-rated series and designations (BN, RB, RD, CAM, DCAM, PL, etc.).
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Scrapes the full NGC Coin price guide — US and World coins — and returns one record per coin-grade-designation combination. Covers every NGC-rated series, every active designation (BN, RB, RD, CAM, DCAM, PL, and others), and every grade from PO-1 through MS/PF-70 (Base and Plus where applicable).
The price guide at ngccoin.com uses Angular virtual scrolling, which means most of the price table is deliberately hidden from standard scrapers. This actor bypasses that by calling NGC's internal JSON API directly — the same endpoint the browser uses. You get all grades for all coins, not whatever happens to be visible in the viewport.
What You Get
Each output record represents one coin at one grade and one designation. A 1909 VDB Lincoln Cent graded MS-65 BN is one record. The same coin graded MS-65 RD is a second record. This structure makes it straightforward to analyze price spreads across grades or designations without reshaping the data yourself.
Fields returned per record:
| Field | Type | Description |
|---|---|---|
coin_id | string | NGC internal coin ID — stable across runs, use as a join key |
source_url | string | URL of the price guide series page |
region | string | united-states or world |
country | string | Country of origin (world coins); United States for US coins |
series | string | Series name, e.g. Lincoln Cents Wheat Reverse (1909-1958) |
period | string | Period or category label |
denomination | string | Face value denomination, e.g. 1C, 50C, $20 |
year | integer | Issue year |
mint_mark | string | Mint mark (D, S, O, CC); null for Philadelphia |
variety | string | VAM, die variety, overdate, or other designation |
designer | string | Obverse / reverse designer(s) |
composition | string | Metal composition, e.g. Silver, Bronze, Gold |
diameter_mm | number | Diameter in millimetres |
weight_g | number | Weight in grams |
mintage | integer | Total mintage (may be combined across mints) |
ngc_number | string | NGC UniversalCoinTypeID, e.g. 22B2 |
grade | string | Grade label as displayed, e.g. MS-65, PF-65, VG |
grade_numeric | number | Numeric grade on the Sheldon scale (Plus grades add 0.5) |
designation | string | Strike or surface designation: BN, RB, RD, CAM, DCAM, PL, etc. |
price_usd | number | NGC guide price in USD |
price_as_of | string | Date of last price update, e.g. 05/19/2026 |
image_url | string | Obverse image URL from NGC CDN |
Input
| Parameter | Type | Default | Description |
|---|---|---|---|
maxItems | integer | 0 (no limit) | Maximum coin-grade records to return. Set to a small number for test runs. |
region | string | (all) | Filter by region: united-states, world, or leave blank for both. |
series_ids | array | [] | Optional list of NGC series IDs (as strings) to limit the run. Leave empty to crawl all series. |
Full runs covering all US and World series return millions of records. Use series_ids or maxItems to narrow scope for targeted pulls.
How It Works
Three stages run sequentially, with concurrent API calls within each stage.
Stage 1 walks NGC's three price-guide sitemaps (sitemap-price_guide{1,2,3}.xml), each containing tens of thousands of URLs. Applies region and series_ids filters here to avoid fetching pages you do not need.
Stage 2 fetches each series+designation HTML page (8 concurrent). The Angular info table above the price table renders parent-coin-id attributes on every coin row regardless of virtual scroll position. This gives a complete coin ID list without rendering JavaScript.
Stage 3 calls two JSON APIs per coin (10 concurrent):
/coin-explorer/data/coins/{id}/price-guide/— all grade prices/coin-explorer/data/coins/{id}/— coin metadata (year, mint, composition, designer, image)
No proxy needed. NGC's APIs are publicly accessible without authentication.
Notes
Some series in the sitemap return HTTP 404 (typically token sets, exonumia subcategories, and specialty series that have been reorganized). These are skipped with a warning and do not affect standard price guide coverage.
Scraper built with the OrbTop actor framework. Data sourced from NGC Coin Price Guide.
