The product is a set of seven coil line pair airmail stamps from the United States, issued between 1948 and 1973. These stamps have a denomination ranging from 5 cents to 13 cents and are mint never hinged. The colorful design of the stamps features an air mail theme, making them a unique and collectible piece for stamp enthusiasts. Each pair of stamps is a valuable addition to any stamp collection, showcasing the rich history and artistry of United States airmail postage.