Vintage First Day Covers w/ Gold Foil Stamps (Set of 4)

Set of four First Day Issue stamp covers. Includes 'The World of Dinosaurs Allosaurus' dated May 1, 1997. Also includes three 'Carnivorous Plants' covers: 'Yellow Trumpet' dated August 23, 2001, 'Cobra Lily' dated August 23, 2001, and one other 'Carnivorous Plants' cover.