This full pane of 20 US stamps features the heart health topic with a colorful design. The stamps are mint never hinged and in VF/XF condition. They have a face value of 13.6 and were issued between 2011 and present. The denomination is Forever and they were made in the United States. These stamps are perfect for collectors of health care related items and are a great addition to any stamp collection. The certification is not provided, but rest assured that these stamps are genuine.