👉 Philathea is a group of postage stamps that are issued by the United States Postal Service. These stamps were first issued in 1867 and have since been printed in various denominations, including 20, 50, 100, 200, and 500 cents. Philathea is a type of stamp that contains the name or design of a country, state, city, or town. The stamps are often issued to commemorate important
