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 collection of Navy Airship postcards from Lakehurst, NJ, featuring a design similar to a Zeppelin. These postcards are of military and war-themed topics, originating from the United States. The stamps are Mint Never Hinged and in Extremely Fine condition, adding to the collectible value of the item. Perfect for aviation history enthusiasts and stamp collectors interested in unique and historical pieces from the United States.