You are purchasing a used se-tenant set of 4, #2138-2141 American Folk Art:  Duck Decoys Stamps, 22 cent, off paper.  The stamps include:  Broadbill Decoy, Mallard Decoy, Canvasback Decoy and Redhead Decoy.  The scan is a sample.  S/H within the United States is $.68, outside the United States is $1.55.  Please note:  I combine items to save on shipping costs but please wait for me to send the invoice as eBay does not always calculate correctly to get you the best discount.