エラーカード

noun

error card; misprinted card

Refers to a collectible card (such as a telephone card, trading card, or prepaid card) that has a printing mistake, making it rare and sometimes valuable.

wasei-eigo (Japanese-coined English), from error card

• このエラーカードはコレクターの間あいだで高たか値ねで取とり引ひきされている。

  This error card is traded at a high price among collectors.