Piedfort

2017 Piedfort Gold Sovereign Reverse 2017 Piedfort Gold Sovereign - The 2017 Piedfort Gold Sovereign. 2017 was a first for the UK - a double thickness gold sovereign.
2022 Piedfort Sovereign Proof Reverse 2022 Piedfort Gold Sovereign Proof – Elizabeth II - The 2022 Gold Sovereign Piedfort version is twice the weight (15.98g) and about twice the thickness of the standard 2022 gold sovereign.