This 1948 Iowa Car (A) registration sticker validated the license registration.
In addition to this sticker, driver was issued a metal tag to place on the license plate to bring it up to date. (Metal tag not available)
For an additional $10.00 you can have your license plate number on the white panel where the number appears.
This is a "Peel and stick" sticker and it adheres to the inside windshield.