The term license generally means a permission or an authorization to do something. Different states have different license laws.
In terms of antique, auction laws and auctioneer’s license are relevant. Also, antique dealer licenses and permits are a requirement in many states for those engaged in antique business. The licensing requirements vary from state to state.
Antique license plates for motor vehicles is also significant in this context. In order to qualify for antique license plate, a vehicle should be at least 25 years old. Personalized antique license plates are also popular.