In June 2015 English Ebayer agaplatesuk had these plates for sale. He was previously worldplatesuk and foushekas.
They are a batch of mint, unused looking Irish plates. They look like they have been recently made especially for selling to collectors.
If you buy mint plates, you do not know if you are getting plates with registrations that are even possible.
Suspicious plates from a well known seller of fake and home-made plates and you should think long and hard about buying any of these