Friedrichsd'or

The Friedrichsd'or was one of the first Swedish gold coins to adopt a milled edge, a practical anti-clipping measure borrowed from Dutch technology, which helped maintain its value during turbulent times. This design choice reflected Sweden's efforts to modernize its currency amid foreign influences, particularly from France and the Netherlands. Mintage figures vary by year, but records from the 1720s show production was often limited by gold shortages due to ongoing wars.

Struck in 22-karat gold, the coin typically weighed around 6.8 grams and featured the bust of the reigning king on the obverse. We don't know the exact number of surviving specimens from the earlier years; many were likely melted down for their metal. Its foreign-inspired motifs, like the ornate shields and Latin inscriptions, made it look more cosmopolitan than earlier Swedish issues.

Design flaws occasionally appeared, such as off-center strikes that left parts of the edge unprotected. That's one way it kept numismatists on their toes—always something to scrutinize.