This is a great item for any stamp collector interested in United Nations stamps. The U.N. 2013, Geneva #559-560 stamps celebrate World Radio Day and come as singles on first day covers. The colorful stamps feature a radio and the UN emblem, and are in used condition. The cancellation type is also first day of issue, adding to the collectible value. These stamps are ungraded and uncertified, but are sure to be a nice addition to any collection. Don't miss out on this opportunity to own a piece of U.N. stamp history!