1988

1988 Popcorn Wagon 1902 – First Day Cover | Transportation Series — $4.95

1988 Carreta 1770s – First Day Cover | Transportation Series — $4.95

1988 Dr. Harvey Cushing – First Day Cover | Great Americans Series — $4.95

1988 American Eagle – First Day Cover | Official Mail — $4.95

1988 Conestoga Wagon 1800s Transportation Series First Day Cover — $4.95

1988 Dog Sled 1920s & Oil Wagon 1890s Transportation Series First Day Cover — $4.95

1988 Summer Olympics (Seoul) Gymnastics First Day Cover — $4.95

1988 Lt. Charles Wilkes Antarctic Explorer First Day Cover — $4.95

1988 Carousel Animals Folk Art Series First Day Cover — $4.95

1988 New Hampshire Statehood Bicentennial First Day Cover — $4.95

1988 Lincoln Ellsworth Antarctic Explorer First Day Cover — $4.95

1988 South Africa First Day Cover, featuring four stamps and an illustration of Romulea macowanii, part of a series on "Endangered and Protected Plants." Ciskei — $4.95

1988 Harvey Cushing MD .45c stamp — $4.95

1988 James Weldon Johnson .22c — $4.95