Your search for "Skitty - 011/019" revealed the following:
Officer (011) // New Planet Token (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Normal Artist: Charles Chaisson & David Frasheski Card Text:New Planet: {T}: Add one mana of any color.
Borg (019) // Clue (021) Token (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Normal Artist: Edouard & Joel Chaim Holtzman Card Text:Clue: {2}, Sacrifice this token: Draw a card.
KA-2 Des Scissors - AST-019 - Common - Unlimited from Ancient Sanctuary Unlimited, available at 401 Games Canada. Rarity: Common Card Text:When this card destroys a monster and sends it to the Graveyard as a result of battle, inflict damage...
Tribble (002) // Beast (011) Token (Surge Foil) (TTRC) from Star Trek Commander, available at 401 Games Canada. Rarity: Token Finish: Foil Artist: Kevin Glint & Arthur Yuan Card Text:Tribble: This token can't block.