Is Pickwick green tea deceffeinated?
Green tea contains caffeine naturally. Here is a reference for general amounts in beverages Mayoclinic Nutrition. As Memj said, Decaf products are generally labeled as such. 

From the Pickwick.nl using Google translate:


  Have you ever heard of theine? That's just another name for caffeine
  in black, green and white tea. But how much caffeine now actually
  contains a cup of tea? A cup of black tea contains approximately 30 mg
  of caffeine. At an average cup of coffee is 85 mg. Rather a time no
  caffeine? Choose one or Rooibos herbal blend.


It's not specific for their green tea, but does say to choose herbal blends if you don't want caffeine.