1973

1973 Stop Drug Abuse 8¢ United Nations, NY First Day Cover

1973 Stop Drug Abuse 8¢ United Nations, NY First Day Cover — $6.95

1973 Thomas Jefferson Memorial 10¢ Washington, DC First Day Cover

1973 Thomas Jefferson Memorial 10¢ Washington, DC First Day Cover — $4.95

1973 Thomas Jefferson Memorial 10¢ Washington, DC First Day Cover

1973 Thomas Jefferson Memorial 10¢ Washington, DC First Day Cover — $4.95

1973 Thomas Jefferson Memorial 10¢ Washington, DC First Day Cover

1973 Thomas Jefferson Memorial 10¢ Washington, DC First Day Cover — $4.95

1973 Thomas Jefferson Memorial 10¢ Washington, DC First Day Cover

1973 Thomas Jefferson Memorial 10¢ Washington, DC First Day Cover — $4.95

1973 United Nations Namibia 8¢ New York, NY First Day Cover

1973 United Nations Namibia 8¢ New York, NY First Day Cover — $6.95

1973 Willa Cather 8¢ Red Cloud, NE First Day Cover

1973 Willa Cather 8¢ Red Cloud, NE First Day Cover — $4.95