Animal Rescue Sheet of Twenty 44 Cents Stamps Scott 4451-60 By USPS New sheet of (20) stamps (catalog #s 4451-60) no longer sold by USPS. Features 10 images of shelter animals: dogs & cats. Perfect gift for fans of animals, dogs, cats Great for raffles, conference giveaways, fan clubs, fundraisers, souvenirs. Collectors item. High quality item professionally packaged in a white Stay Flat envelope.