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tcggraph

Yu-Gi-Oh! Trading Card Game · Labyrinth of Nightmare · #LON-EN015 · Common

Mask of Weakness

Mask of Weakness (Labyrinth of Nightmare #LON-EN015, Yu-Gi-Oh!) price, by language, condition and grade.

Cardmarket, cheapest
The product is identified but Cardmarket publishes no usable quote for it yet, which is typical of a new release before its first sales.
Cardmarket trend
TCGplayer market
low $0.24
Graded
The printing is identified in the graded index but no grade has enough recorded sales to quote yet, which is typical of a new release.
Mask of Weakness, Labyrinth of Nightmare #LON-EN015

In your app

The same numbers, as JSON

Everything on this page is one call to the TCGGraph API: card ygo_lon_en015 with its Cardmarket and TCGplayer quotes, the per-language and per-condition lows, graded prices and realised sales. REST or GraphQL, one key.

Card id
ygo_lon_en015
Cardmarket product
580966
TCGplayer product
476477
Prices updated
11 Sept 2026
REST
curl "https://api.tcggraph.com/v1/cards/ygo_lon_en015" \
  -H "Authorization: Bearer $TCGGRAPH_KEY"

# realised sales by day
curl "https://api.tcggraph.com/v1/prices/ygo_lon_en015/sales?days=90" \
  -H "Authorization: Bearer $TCGGRAPH_KEY"
GraphQL
{
  card(id: "ygo_lon_en015") {
    name
    prices { source currency low trend market }
    languagePrices {
      language finish low lowNm offers truncatedAbove
      conditions { condition low offers }
    }
    gradedPrices { grader grade price }
  }
}

Prices on this page are read from Cardmarket and TCGplayer and refreshed daily; graded quotes come from TCGGraph's graded index. TCGGraph does not sell cards and carries no affiliate links. Card names and artwork are the property of Konami.