Let's Dance Bailemos Sheet of Twenty 37 Cent Stamps Scott 3939-42 by USPS New sheet of (20) stamps (catalog #s 3939-3943) no longer sold by USPS. Plate #/position varies. Features colorful images of 4 different dances: Mambo, Salsa, Cha-cha, Merengue. Perfect gift for fans of dance, Hispanic Heritage, mambo, salsa, merengue. Suitable for framing. Great for raffles, conference giveaways, fan clubs, fundraisers, souvenirs. Collectors item. High quality item professionally packaged in a white Stay Flat envelope.