2001 34¢ Carnivorous Plants - English Sundew Mint Single

United States #3528 - 34¢ Carnivorous Plants - Venus Flytrap Mint Single

United States #3529 - 34¢ Carnivorous Plants - Yellow Trumpet Mint Single

United States #3530 - 34¢ Carnivorous Plants - Cobra Lily Mint Single

United States #3521 - 34¢ Leonard Bernstein Mint Single

United States #3533 - 34¢ Enrico Fermi Self-Adhesive Mint Single