![Queen Elizabeth II 2016 Tristan da Cunha 'Queen's 90th Birthday Gold Proof Half Sovereign', cased with Harrington & Byrne certificate - Jewellery, Watches, Silver & Coins Queen Elizabeth II 2016 Tristan da Cunha 'Queen's 90th Birthday Gold Proof Half Sovereign', cased with Harrington & Byrne certificate - Jewellery, Watches, Silver & Coins](https://www.davidduggleby.com/files/images/auctions/GUID/45db351c-ea98-42c0-ac90-96e44bdad6ed.jpg)
Queen Elizabeth II 2016 Tristan da Cunha 'Queen's 90th Birthday Gold Proof Half Sovereign', cased with Harrington & Byrne certificate - Jewellery, Watches, Silver & Coins
![DS Harrington & Byrne gold two coin set, comprised of Queen Elizabeth II 2020 Alderney Sovereign and Quarter Sovereign, commemorating the 80th Anniversary of Dunkirk, cased with certifica - Coins, Banknotes & Stamps DS Harrington & Byrne gold two coin set, comprised of Queen Elizabeth II 2020 Alderney Sovereign and Quarter Sovereign, commemorating the 80th Anniversary of Dunkirk, cased with certifica - Coins, Banknotes & Stamps](https://www.dugglebystephenson.com/files/images/auctions/GUID/94f7632f-b818-4552-8405-541ff12fb98c.jpg)
DS Harrington & Byrne gold two coin set, comprised of Queen Elizabeth II 2020 Alderney Sovereign and Quarter Sovereign, commemorating the 80th Anniversary of Dunkirk, cased with certifica - Coins, Banknotes & Stamps
![An Elizabeth II Harrington & Byrne Mint quarter-ounce gold proof coin 2021 commemorating the Que at auction | LOT-ART An Elizabeth II Harrington & Byrne Mint quarter-ounce gold proof coin 2021 commemorating the Que at auction | LOT-ART](https://gcp-la8-storage-cdn.lot-art.com/public/upl/76/An-Elizabeth-II-Harrington-and-Byrne-Mint-quarter-ounce-gold-proof-coin-2021-commemorating-the-Que_1641605980_1240.jpg)
An Elizabeth II Harrington & Byrne Mint quarter-ounce gold proof coin 2021 commemorating the Que at auction | LOT-ART
![Harrington & Byrne 2019 200th Anniversary of the birth of Queen Victoria gold proof sovereign collection. In box with COA. | Thomas Watson Harrington & Byrne 2019 200th Anniversary of the birth of Queen Victoria gold proof sovereign collection. In box with COA. | Thomas Watson](https://thomaswatson.s3.eu-west-2.amazonaws.com/media/118525/conversions/1632838193-main.jpg)
Harrington & Byrne 2019 200th Anniversary of the birth of Queen Victoria gold proof sovereign collection. In box with COA. | Thomas Watson
![2019 Harrington & Byrne Uncirculated Sovereign at SPOT, incl SD - United Kingdom (Ungraded) - The Silver Forum 2019 Harrington & Byrne Uncirculated Sovereign at SPOT, incl SD - United Kingdom (Ungraded) - The Silver Forum](https://thesilverforum.com/uploads/monthly_2019_07/sovv.jpg.a4d978c971194e319e8a317db216fade.jpg)
2019 Harrington & Byrne Uncirculated Sovereign at SPOT, incl SD - United Kingdom (Ungraded) - The Silver Forum
![DS Harrington & Byrne gold two coin set, comprised of Queen Elizabeth II 2020 Alderney Sovereign and Quarter Sovereign, commemorating the 80th Anniversary of Dunkirk, cased with certifica - Coins, Banknotes & Stamps DS Harrington & Byrne gold two coin set, comprised of Queen Elizabeth II 2020 Alderney Sovereign and Quarter Sovereign, commemorating the 80th Anniversary of Dunkirk, cased with certifica - Coins, Banknotes & Stamps](https://www.dugglebystephenson.com/files/images/auctions/GUID/5e5bb5a7-9fb1-4b18-a8ae-8a6e63d70cee.jpg)