To Form a More Perfect Union Sheet of 10 37 Cent Stamps Scott 3937 New sheet of (10) stamps (catalog #3937) no longer sold by USPS. Features 10 event images surrounding a quote from Martin Luther King Jr. Perfect gift to celebrate Equal Rights, Black Heritage, African-Americans Great for raffles, conference giveaways, fan clubs, fundraisers, souvenirs. Collectors item. High quality item professionally packaged in a white Stay Flat envelope.