Holly Leaves

Holly leaves is a currency used to buy Christmas items from season vendors located near seasonal quest givers.

2011 Christmas Event
In 2011's Christmas event, you could get 3 holly leaves by completing the seasonal quest from Hal Jordan in Watchtower's Moniter Womb or Sinestro in the Hall of Doom' Broker Room. You could do the quest each day for 12 days after Christmas.