Your search for "swamp 240a" revealed the following:
Swamp (240) (Foil) (M12) from Magic 2012, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Jung Park
Swamp (240a) (ZEN) from Zendikar, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Véronique Meignaud