If you are a antique license plate collector, one of the best places you can search for vintage old license plates for sale is online. The biggest online auction website, eBay, has thousands of old license plates for sale every single day. You can find all kinds of license plates, from rare leather license plates, to low number plates, a YOM license plates.
Some people just collect the plates because they love any type of old collectible. Others use the old plates to make license plate art, like maps of the United States using license plates. And still other people collect only a certain type of plate. Maybe they collect horseless carriage antique license plates, or maybe they collect and restore old porcelain license plates.
And still other people are looking for a plate to use on their old classic car. In some states, you can use a Year of Manufacture license plate on a classic car. The plate must be from the year of manufacture of the car and of course be from the state that the car is currently registered in. Different states have different rules regarding the use of YOM license plates and some states don't allow them at all.