1989 UPU Universal Postal Congress Block Of 4 25c US Postage Stamps Sc 2434-2437
In 1989 the USPS issued this block of four stamps depicting vehicles that helped deliver America's mail from Colonial times to the early 1900s. The stamps show four of the most commonly used mail transports. The se-tenant was issued to commemorate the 20th Universal Postal Congress, held in the U.S. for the first time in nearly a century.
These are real USPS postage stamps that are accepted by the USA Postal Service as payment for mail posted in the USA however the total rates on the stamps posted must equal or exceed the current appropriate postal mailing rate or extra postage must be paid.
The stamp set shown in the picture is a stock photo and is likely not a picture of the exact stamp set you will receive and it may differ in plate number and/or orientation. However the item you will receive will be similar including having a plate number (if one is present in the photos) and the same number of stamps. Stamps titled as MNH, OG will have no significant creases or unnatural gum disturbances unless otherwise noted.