We will always combine shipping. If items are on sale, we will need to refund you within 24 hours. Shipping policy for domestic small items: The highest shipping plus 85 cents per lot. Larger domestic shipping items are the highest shipping plus $1.00 shipping. Large albums and heavier items vary. The product is a United States Air Mail stamp, specifically the ICOLLECTZONE US C5. It is classified as Fine used with circular date stamps (cds). The stamp is of Grade F (Fine) quality and is uncertified. It originates from the United States and is part of the Back of Book category.