2017 Strike On The Day Plain Edge Gold Sovereign Only 1817 issued - w COA Error!

Bought directly from royal mint and put into storage. I’ve never opened the capsule so I assume condition is pristine. This includes the COA that inaccurately lists the coin as a proof which makes it more special than most. The mint even issued letters apologizing for the mix up but I wanted to keep the error for collecting purposes.

The coin is BU