{
 "schemaVersion": 1,
 "url": "https://www.moonstonehq.com/card/si1-1",
 "dataUrl": "https://www.moonstonehq.com/card/si1-1/data.json",
 "asOf": "2026-09-27",
 "card": {
  "id": "si1-1",
  "name": "Mew",
  "number": "1",
  "printedTotal": 18,
  "setName": "Southern Islands",
  "language": "en",
  "illustrator": "Keiko Fukuyama",
  "image": "https://assets.tcgdex.net/en/neo/si1/1/high.webp",
  "tcgplayerProductId": "46466"
 },
 "marketPrice": {
  "value": 624.04,
  "currency": "USD",
  "condition": "near mint",
  "asOf": "2026-09-27",
  "source": "TCGplayer market price, recorded daily"
 },
 "psa10": null,
 "psa9": {
  "price": 5633.55,
  "currency": "USD",
  "sales": 18,
  "kind": "recent",
  "windowDays": 90,
  "median": 5633.55,
  "lastSale": null,
  "divergesFrom": null,
  "asOf": "2026-09-25"
 },
 "gradedMedians": [
  {
   "company": "ACE",
   "grade": "6",
   "median": 517.67,
   "currency": "USD",
   "sales": 3,
   "asOf": "2026-09-25"
  },
  {
   "company": "ACE",
   "grade": "8",
   "median": 697.29,
   "currency": "USD",
   "sales": 3,
   "asOf": "2026-09-25"
  },
  {
   "company": "BGS",
   "grade": "7",
   "median": 440.5,
   "currency": "USD",
   "sales": 3,
   "asOf": "2026-09-25"
  },
  {
   "company": "BGS",
   "grade": "7.5",
   "median": 1010,
   "currency": "USD",
   "sales": 2,
   "asOf": "2026-09-25"
  },
  {
   "company": "BGS",
   "grade": "8",
   "median": 1124.49,
   "currency": "USD",
   "sales": 8,
   "asOf": "2026-09-25"
  },
  {
   "company": "BGS",
   "grade": "8.5",
   "median": 1649.97,
   "currency": "USD",
   "sales": 10,
   "asOf": "2026-09-25"
  },
  {
   "company": "BGS",
   "grade": "9",
   "median": 2800,
   "currency": "USD",
   "sales": 6,
   "asOf": "2026-09-25"
  },
  {
   "company": "CGC",
   "grade": "10",
   "median": 2997,
   "currency": "USD",
   "sales": 3,
   "asOf": "2026-09-25"
  },
  {
   "company": "CGC",
   "grade": "3",
   "median": 300,
   "currency": "USD",
   "sales": 2,
   "asOf": "2026-09-25"
  },
  {
   "company": "CGC",
   "grade": "4",
   "median": 269.87,
   "currency": "USD",
   "sales": 2,
   "asOf": "2026-09-25"
  },
  {
   "company": "CGC",
   "grade": "4.5",
   "median": 120,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-25"
  },
  {
   "company": "CGC",
   "grade": "5",
   "median": 250,
   "currency": "USD",
   "sales": 2,
   "asOf": "2026-09-25"
  },
  {
   "company": "CGC",
   "grade": "6",
   "median": 255,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-25"
  },
  {
   "company": "CGC",
   "grade": "6.5",
   "median": 572.5,
   "currency": "USD",
   "sales": 2,
   "asOf": "2026-09-25"
  },
  {
   "company": "CGC",
   "grade": "7",
   "median": 700,
   "currency": "USD",
   "sales": 3,
   "asOf": "2026-09-25"
  },
  {
   "company": "CGC",
   "grade": "7.5",
   "median": 658.75,
   "currency": "USD",
   "sales": 12,
   "asOf": "2026-09-25"
  },
  {
   "company": "CGC",
   "grade": "8",
   "median": 742.56,
   "currency": "USD",
   "sales": 12,
   "asOf": "2026-09-25"
  },
  {
   "company": "CGC",
   "grade": "8.5",
   "median": 1175,
   "currency": "USD",
   "sales": 12,
   "asOf": "2026-09-25"
  },
  {
   "company": "CGC",
   "grade": "9",
   "median": 1474.5,
   "currency": "USD",
   "sales": 24,
   "asOf": "2026-09-25"
  },
  {
   "company": "CGC",
   "grade": "9.5",
   "median": 6050,
   "currency": "USD",
   "sales": 3,
   "asOf": "2026-09-25"
  },
  {
   "company": "PSA",
   "grade": "1",
   "median": 290.5,
   "currency": "USD",
   "sales": 23,
   "asOf": "2026-09-25"
  },
  {
   "company": "PSA",
   "grade": "1.5",
   "median": 595,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-25"
  },
  {
   "company": "PSA",
   "grade": "2",
   "median": 254.15,
   "currency": "USD",
   "sales": 4,
   "asOf": "2026-09-25"
  },
  {
   "company": "PSA",
   "grade": "2.5",
   "median": 250,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-25"
  },
  {
   "company": "PSA",
   "grade": "3",
   "median": 378,
   "currency": "USD",
   "sales": 7,
   "asOf": "2026-09-25"
  },
  {
   "company": "PSA",
   "grade": "4",
   "median": 309.32,
   "currency": "USD",
   "sales": 13,
   "asOf": "2026-09-25"
  },
  {
   "company": "PSA",
   "grade": "5",
   "median": 437.5,
   "currency": "USD",
   "sales": 35,
   "asOf": "2026-09-25"
  },
  {
   "company": "PSA",
   "grade": "6",
   "median": 546.08,
   "currency": "USD",
   "sales": 63,
   "asOf": "2026-09-25"
  },
  {
   "company": "PSA",
   "grade": "7",
   "median": 830,
   "currency": "USD",
   "sales": 97,
   "asOf": "2026-09-25"
  },
  {
   "company": "PSA",
   "grade": "8",
   "median": 1708.5,
   "currency": "USD",
   "sales": 106,
   "asOf": "2026-09-25"
  },
  {
   "company": "PSA",
   "grade": "9",
   "median": 6447.44,
   "currency": "USD",
   "sales": 42,
   "asOf": "2026-09-25"
  },
  {
   "company": "SGC",
   "grade": "7",
   "median": 335,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-25"
  },
  {
   "company": "TAG",
   "grade": "1.5",
   "median": 114.75,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-25"
  },
  {
   "company": "TAG",
   "grade": "3",
   "median": 349.99,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-25"
  },
  {
   "company": "TAG",
   "grade": "5",
   "median": 430.1,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-25"
  },
  {
   "company": "TAG",
   "grade": "5.5",
   "median": 250,
   "currency": "USD",
   "sales": 1,
   "asOf": "2026-09-25"
  }
 ],
 "population": {
  "company": "PSA",
  "total": 5262,
  "gem": 20,
  "psa9": 500,
  "gemRatePercent": 0.4,
  "asOf": null
 },
 "priceSeries": {
  "granularity": "daily",
  "points": 29,
  "firstDay": "2026-08-30",
  "lastDay": "2026-09-27",
  "return30dPercent": 7.9
 },
 "facts": [
  {
   "key": "marketPrice",
   "label": "Market price",
   "value": "$624.04",
   "number": 624.04,
   "unit": "USD",
   "basis": "TCGplayer market price for this printing, near mint",
   "asOf": "2026-09-27"
  },
  {
   "key": "psa9Median",
   "label": "PSA 9 90-day sold median",
   "value": "$5,633.55",
   "number": 5633.55,
   "unit": "USD",
   "basis": "A 90-day median of $5,633.55 across 18 sales verified as this card",
   "asOf": "2026-09-25"
  },
  {
   "key": "psaPopulation",
   "label": "PSA population",
   "value": "5,262",
   "number": 5262,
   "unit": "count",
   "basis": "Copies on the PSA registry, all grades",
   "asOf": null
  },
  {
   "key": "psaGemRate",
   "label": "PSA gem rate",
   "value": "0.4%",
   "number": 0.4,
   "unit": "percent",
   "basis": "20 of 5,262 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": "+7.9%",
   "number": 7.9,
   "unit": "percent",
   "basis": "Trailing 30 days of moonstone's own recorded daily series",
   "asOf": "2026-09-27"
  }
 ],
 "questions": [
  {
   "q": "How much is Mew 1/18 from Southern Islands worth?",
   "a": "$624.04 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": "How many Mew 1/18 has PSA graded?",
   "a": "5,262 copies sit on the PSA registry across all grades, and 0.4% of them came back a 10 (20 tens)."
  }
 ],
 "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."
}