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 75 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 set of United States postage stamps featuring Christmas trees, specifically from Palau. These stamps are described as Mint Never Hinged, with a grade of Extremely Fine. The stamps are not certified, but they showcase a festive and timeless theme perfect for collectors interested in holiday-themed philately.