The US Postal Service 1989 Yearbook is a valuable collection of mint stamps, showcasing the diverse and unique designs of stamps released by the United States Postal Service that year. This yearbook includes a pack of unopened stamps, providing collectors with a pristine and untouched selection of philatelic treasures. With the guarantee of MNH (Mint Never Hinged) quality, these stamps are sure to be in pristine condition, making this yearbook a desirable addition to any stamp collection.BUY IT NOW $16.