This issuance recognizes America’s love of pets. The stamp art for the Pets booklet features 20 existing photographs. Each photograph represents an animal from these groups: puppies, betta fish, iguanas, hamsters, goldfish, parrots, guinea pigs, tortoises, rabbits, kittens, corn snakes, mice, hermit crabs, chinchillas, gerbils, dogs, parakeets, horses, cats, and geckos.