1971

1971 San Juan Puerto Rico 8¢ San Juan, PR First Day Cover

1971 San Juan Puerto Rico 8¢ San Juan, PR First Day Cover — $4.95

1971 Sir Ernest Rutherford 6¢ Ottawa, Canada First Day Cover

1971 Sir Ernest Rutherford 6¢ Ottawa, Canada First Day Cover — $6.95

1971 Special Delivery 60¢ Phoenix, AZ First Day Cover

1971 Special Delivery 60¢ Phoenix, AZ First Day Cover — $4.95

1971 Spring 6¢ Ottawa, Canada First Day Cover

1971 Spring 6¢ Ottawa, Canada First Day Cover — $6.95

1971 U.S. Air Mail 11¢ Williamsburg, PA First Day Cover

1971 U.S. Air Mail 11¢ Williamsburg, PA First Day Cover — $5.95

1971 United States Air Mail 21¢ Washington, DC First Day Cover

1971 United States Air Mail 21¢ Washington, DC First Day Cover — $6.95

1971 United States in Space 8¢ Kennedy Space Center, FL First Day Cover

1971 United States in Space 8¢ Kennedy Space Center, FL First Day Cover — $6.95

1971 United States in Space Decade of Achievement 8¢ Kennedy Space Center, FL First Day Cover

1971 United States in Space Decade of Achievement 8¢ Kennedy Space Center, FL First Day Cover — $6.95

1971 United States Postal Service 8¢ First Day Cover

1971 United States Postal Service 8¢ First Day Cover — $4.95

1971 United States Postal Service 8¢ Washington, DC First Day Cover

1971 United States Postal Service 8¢ Washington, DC First Day Cover — $4.95

1971 United States Postal Service 8¢ Washington, DC First Day Cover

1971 United States Postal Service 8¢ Washington, DC First Day Cover — $4.95

1971 United States Postal Service Inauguration First Day Cover

1971 United States Postal Service Inauguration First Day Cover — $4.95

1971 US Air Mail Coil 11¢ Spokane, WA First Day Cover

1971 US Air Mail Coil 11¢ Spokane, WA First Day Cover — $5.95

1971 White House 8¢ Washington, DC First Day Cover

1971 White House 8¢ Washington, DC First Day Cover — $4.95

1971 White House Conference on Youth .06Cents Pre-printed embossed envelope — $4.95

1971 Wildlife Conservation 8¢ Avery Island, LA First Day Cover

1971 Wildlife Conservation 8¢ Avery Island, LA First Day Cover — $4.95

1971 Wright Brothers 9¢ Kitty Hawk, NC First Day Cover

1971 Wright Brothers 9¢ Kitty Hawk, NC First Day Cover — $7.95

1971 Wright Brothers Airplane 9¢ Kitty Hawk, NC First Day Cover

1971 Wright Brothers Airplane 9¢ Kitty Hawk, NC First Day Cover — $5.95