Your search for "cleffa - 255/190" revealed the following:
Cleffa (Japanese) - 255/190 - Shiny Rare from SV4a: Shiny Treasure ex, available at 401 Games Canada. Rarity: Shiny Rare Finish: Holofoil Card Text:Grasping DrawDraw cards until you have 7 cards in your hand.
Cleffa (Japanese) - 077/190 - No Rarity from SV4a: Shiny Treasure ex, available at 401 Games Canada. Rarity: No Rarity Finish: Normal Card Text:Grasping DrawDraw cards until you have 7 cards in your hand.
Cleffa (Mirror Holofoil) (Japanese) - 077/190 - No Rarity from SV4a: Shiny Treasure ex, available at 401 Games Canada. Rarity: No Rarity Finish: Mirror Holo Card Text:Grasping DrawDraw cards until you have 7 cards in your hand.