{
 "schemaVersion": 1,
 "url": "https://www.moonstonehq.com/card/base5-20",
 "dataUrl": "https://www.moonstonehq.com/card/base5-20/data.json",
 "asOf": "2026-09-27",
 "card": {
  "id": "base5-20",
  "name": "Dark Blastoise",
  "number": "20",
  "printedTotal": 82,
  "setName": "Team Rocket",
  "language": "en",
  "illustrator": "Mitsuhiro Arita",
  "image": "https://assets.tcgdex.net/en/base/base5/20/high.webp",
  "tcgplayerProductId": "84570"
 },
 "marketPrice": {
  "value": 43.98,
  "currency": "USD",
  "condition": "near mint",
  "asOf": "2026-09-27",
  "source": "TCGplayer market price, recorded daily"
 },
 "psa10": {
  "price": 600,
  "currency": "USD",
  "sales": 6,
  "kind": "recent",
  "windowDays": 90,
  "median": 600,
  "lastSale": null,
  "divergesFrom": {
   "price": 364,
   "sales": 11,
   "kind": "all-window",
   "soldOn": null
  },
  "asOf": "2026-09-27"
 },
 "psa9": {
  "price": 88.69,
  "currency": "USD",
  "sales": 9,
  "kind": "recent",
  "windowDays": 90,
  "median": 88.69,
  "lastSale": null,
  "divergesFrom": null,
  "asOf": "2026-09-27"
 },
 "gradedMedians": [
  {
   "company": "ACE",
   "grade": "7",
   "median": 120.55,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-27"
  },
  {
   "company": "ACE",
   "grade": "9",
   "median": 109.19,
   "currency": "USD",
   "sales": 3,
   "asOf": "2026-09-27"
  },
  {
   "company": "BGS",
   "grade": "8.5",
   "median": 124.99,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-27"
  },
  {
   "company": "BGS",
   "grade": "9",
   "median": 147.25,
   "currency": "USD",
   "sales": 4,
   "asOf": "2026-09-27"
  },
  {
   "company": "BGS",
   "grade": "9.5",
   "median": 527.5,
   "currency": "USD",
   "sales": 3,
   "asOf": "2026-09-27"
  },
  {
   "company": "CGC",
   "grade": "10",
   "median": 199,
   "currency": "USD",
   "sales": 4,
   "asOf": "2026-09-27"
  },
  {
   "company": "CGC",
   "grade": "5.5",
   "median": 30,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-27"
  },
  {
   "company": "CGC",
   "grade": "6",
   "median": 25,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-27"
  },
  {
   "company": "CGC",
   "grade": "7.5",
   "median": 32.77,
   "currency": "USD",
   "sales": 5,
   "asOf": "2026-09-27"
  },
  {
   "company": "CGC",
   "grade": "8",
   "median": 45.35,
   "currency": "USD",
   "sales": 2,
   "asOf": "2026-09-27"
  },
  {
   "company": "CGC",
   "grade": "8.5",
   "median": 24.98,
   "currency": "USD",
   "sales": 17,
   "asOf": "2026-09-27"
  },
  {
   "company": "CGC",
   "grade": "9",
   "median": 54,
   "currency": "USD",
   "sales": 13,
   "asOf": "2026-09-27"
  },
  {
   "company": "CGC",
   "grade": "9.5",
   "median": 112.6,
   "currency": "USD",
   "sales": 5,
   "asOf": "2026-09-27"
  },
  {
   "company": "PSA",
   "grade": "1",
   "median": 51.1,
   "currency": "USD",
   "sales": 7,
   "asOf": "2026-09-27"
  },
  {
   "company": "PSA",
   "grade": "10",
   "median": 510,
   "currency": "USD",
   "sales": 30,
   "asOf": "2026-09-27"
  },
  {
   "company": "PSA",
   "grade": "2",
   "median": 29.13,
   "currency": "USD",
   "sales": 2,
   "asOf": "2026-09-27"
  },
  {
   "company": "PSA",
   "grade": "3",
   "median": 49.99,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-27"
  },
  {
   "company": "PSA",
   "grade": "4",
   "median": 34,
   "currency": "USD",
   "sales": 7,
   "asOf": "2026-09-27"
  },
  {
   "company": "PSA",
   "grade": "5",
   "median": 51,
   "currency": "USD",
   "sales": 18,
   "asOf": "2026-09-27"
  },
  {
   "company": "PSA",
   "grade": "6",
   "median": 41.32,
   "currency": "USD",
   "sales": 17,
   "asOf": "2026-09-27"
  },
  {
   "company": "PSA",
   "grade": "7",
   "median": 104.22,
   "currency": "USD",
   "sales": 31,
   "asOf": "2026-09-27"
  },
  {
   "company": "PSA",
   "grade": "8",
   "median": 73.05,
   "currency": "USD",
   "sales": 70,
   "asOf": "2026-09-27"
  },
  {
   "company": "PSA",
   "grade": "9",
   "median": 138.5,
   "currency": "USD",
   "sales": 73,
   "asOf": "2026-09-27"
  },
  {
   "company": "SGC",
   "grade": "7",
   "median": 250,
   "currency": "USD",
   "sales": 3,
   "asOf": "2026-09-27"
  },
  {
   "company": "TAG",
   "grade": "6.5",
   "median": 25.5,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-27"
  },
  {
   "company": "TAG",
   "grade": "7.5",
   "median": 100,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-27"
  },
  {
   "company": "TAG",
   "grade": "8",
   "median": 51,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-27"
  },
  {
   "company": "TAG",
   "grade": "8.5",
   "median": 56,
   "currency": "USD",
   "sales": 2,
   "asOf": "2026-09-27"
  },
  {
   "company": "TAG",
   "grade": "9",
   "median": 202.5,
   "currency": "USD",
   "sales": 3,
   "asOf": "2026-09-27"
  }
 ],
 "population": {
  "company": "PSA",
  "total": 2943,
  "gem": 167,
  "psa9": 730,
  "gemRatePercent": 5.7,
  "asOf": null
 },
 "priceSeries": {
  "granularity": "daily",
  "points": 29,
  "firstDay": "2026-08-30",
  "lastDay": "2026-09-27",
  "return30dPercent": -38.5
 },
 "facts": [
  {
   "key": "marketPrice",
   "label": "Market price",
   "value": "$43.98",
   "number": 43.98,
   "unit": "USD",
   "basis": "TCGplayer market price for this printing, near mint",
   "asOf": "2026-09-27"
  },
  {
   "key": "psa10Median",
   "label": "PSA 10 90-day sold median",
   "value": "$600",
   "number": 600,
   "unit": "USD",
   "basis": "A 90-day median of $600 across 6 sales verified as this card, against a median of $364 across 11 recorded sales",
   "asOf": "2026-09-27"
  },
  {
   "key": "psa9Median",
   "label": "PSA 9 90-day sold median",
   "value": "$88.69",
   "number": 88.69,
   "unit": "USD",
   "basis": "A 90-day median of $88.69 across 9 sales verified as this card",
   "asOf": "2026-09-27"
  },
  {
   "key": "psa10Premium",
   "label": "PSA 10 premium over raw",
   "value": "14x",
   "number": 13.64,
   "unit": "multiple",
   "basis": "The PSA 10 figure above (a 90-day median of $600 across 6 sales) divided by the raw market price",
   "asOf": "2026-09-27"
  },
  {
   "key": "psaPopulation",
   "label": "PSA population",
   "value": "2,943",
   "number": 2943,
   "unit": "count",
   "basis": "Copies on the PSA registry, all grades",
   "asOf": null
  },
  {
   "key": "psaGemRate",
   "label": "PSA gem rate",
   "value": "5.7%",
   "number": 5.7,
   "unit": "percent",
   "basis": "167 of 2,943 submissions graded 10",
   "asOf": null
  },
  {
   "key": "recordedPricePoints",
   "label": "Recorded price readings",
   "value": "29",
   "number": 29,
   "unit": "count",
   "basis": "One reading per day between August 30, 2026 and September 27, 2026",
   "asOf": "2026-09-27"
  },
  {
   "key": "return30d",
   "label": "30-day price move",
   "value": "-38.5%",
   "number": -38.5,
   "unit": "percent",
   "basis": "Trailing 30 days of moonstone's own recorded daily series",
   "asOf": "2026-09-27"
  }
 ],
 "questions": [
  {
   "q": "How much is Dark Blastoise 20/82 from Team Rocket worth?",
   "a": "$43.98 raw, as of September 27, 2026. That is the recorded TCGplayer market price for this printing in near mint condition, not an ask moonstone sets."
  },
  {
   "q": "What is a PSA 10 Dark Blastoise 20/82 worth?",
   "a": "$600, a 90-day median of $600 across 6 sales we have verified as this card, against a median of $364 across 11 recorded sales. That is 14x the raw price."
  },
  {
   "q": "How many Dark Blastoise 20/82 has PSA graded?",
   "a": "2,943 copies sit on the PSA registry across all grades, and 5.7% of them came back a 10 (167 tens)."
  },
  {
   "q": "Is it worth grading Dark Blastoise 20/82?",
   "a": "At $43.98 plus PSA Standard $59.99 ($103.97 all-in), against a $600 PSA 10 and a $88.69 PSA 9 each netted for eBay's published selling fee, you need a 6% chance of a 10 to break even. The registry's recorded gem rate is 5.7%. Shipping and insurance, to PSA and to the buyer, are not counted. That is arithmetic on recorded figures and published fees, not advice."
  }
 ],
 "methodology": {
  "marketPrice": "The daily recorded TCGplayer market price for this exact printing, in USD, near mint. moonstone sells no cards and quotes no ask of its own.",
  "gradedMedians": "Medians of verified sold listings for that grade, never a multiplier applied to the raw price. Every median carries the number of sales behind it, and a figure built on fewer than 2 sales is reported as a single sale rather than as a median.",
  "population": "A snapshot of the PSA registry for this card. A gem rate is reported only when the registry row breaks out the tens; an absent breakdown is reported as absent, never as zero.",
  "priceSeries": "moonstone's own daily price tape, one reading per day. `points` is how many days we hold, not how many days the card has existed."
 },
 "license": "https://www.moonstonehq.com/legal/terms",
 "disclaimer": "moonstone is independent research and market data, not financial, investment, tax or legal advice. Collectibles are speculative, illiquid and volatile."
}