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 US Micronesia 461-466 Birds stamps were issued between 2001-2010 in the United States and are now in possession in Micronesia. These Mint Never Hinged stamps are of XF (Extremely Fine) grade and feature various bird species, making them a popular topic among collectors. The stamps were manufactured in Micronesia, Federated States of, and are uncertified.