USPS Scott #3877 Sickle Cell Disease MNH Block of 4 (1 Variety) $.37 issued 2004. Block in MNH condition and in near post office fresh condition. All perforations complete and no creases. FV $1.48. Block will be sent flat. Block will be carefully packaged and shipped. Block has been stored flat and comes from a collection housed in a pet-free, smoke-free location. Three similar items ship for the price of one. Please examine photos and email questions as all sales are final. Thanks for looking, bidding, and buying.