The SINCONA British Collection

The SINCONA British Collection is an extraordinary group of rarities that tell the history of English coinage over nearly 700 years, starting with King Edward III in the 14th century. The offerings in SINCONA auctions in November 2021, May 2022, October 2022, May 2023 and October 2023 spotlighted more than 2,500 NGC-certified coins, including an 1820 Pattern that realized over $600,000 and a unique modern 5-kilogram gold rarity.