In May 2016 ismaa3 (aka pasapik) from Spain was trying to sell this plate.
It is a plate he says is from the 1942 Packard ceremonial car of the president of Iceland. He says the plate is used, expired and over 3 years old but the country of manufacture is Spain.
One problem is that the car (with plates on it) is still used for ceremonial duties and this is actually a good reproduction of the front plate. Photos of the car are plentiful on the internet.
If he was selling it as a reproduction then that is fine but not as a used plate.
Buying mint plates means you can end up with rubbish in your collection.