set of 10 UNUSED 5 ¢ Indiana Statehood postage stamps for mailing. Postage Value: 5 centsScott Catalog: 1308An homage to the state I grew up in. These stamps are perfect for sending wedding invitations, greeting cards and letters to any of the hoosiers on your list! This stamp was issued in 1966 to commemorate the 150th anniversary of the admission of Indiana as the 19th state of the Union.These can be used to send envelopes via USPS as long as the total postage is equal to the current postage rate. Cheers to snail mail!