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 Germany GDR 280-283 VF used aviation stamps originate from Germany and its colonies. These stamps, featuring aviation themes, were used and are in very fine condition. They are part of the Europe stamps category and were manufactured in Germany. The stamps are uncertified and depict a significant aspect of aviation history in Germany.