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 XF NH Air Mail stamp from Spain C55A. It is of high quality, mint never hinged, and comes from the region of Spain. The stamp is from Spain & Colonies and has not been certified. This stamp would be a valuable addition to any stamp collection, especially for collectors interested in European stamps.