Casimir III Denar

Casimir III's denar was one of the first Polish coins to enforce a standardized weight, typically around 0.7 grams of silver, which helped stabilize trade across a fractured kingdom.

This reform came during his reign from 1333 to 1370, as he sought to modernize an economy still reeling from earlier wars. The coins were struck at mints in places like Kraków, using dies that often featured a simple cross or the Piast eagle on the obverse. We know from surviving examples that variations existed, but exact designs varied by year—records are spotty.

Not every denar survived intact; many show wear from daily use, which is why they're rarely found in pristine condition today. As for myths, some claim they were cursed by rival kings, but that's just tavern talk. The truth is, these coins were practical tools of commerce.

Production numbers? Lost to time, likely in one of those medieval fires.