The Cathedral of Modena, begun in 1099 under master builder Lanfranco, was declared a UNESCO World Heritage Site in 1997 — just two years before this coin was struck, almost certainly the direct occasion for the issue. Italy's commemorative gold program of the late 1990s frequently tracked UNESCO designations with a lag of one to two years, and the timing here is precise enough to be deliberate rather than coincidental.
The Cathedral of Modena, begun in 1099 under master builder Lanfranco, was declared a UNESCO World Heritage Site in 1997 — just two years before this coin was struck, almost certainly the direct occasion for the issue. Italy's commemorative gold program of the late 1990s frequently tracked UNESCO designations with a lag of one to two years, and the timing here is precise enough to be deliberate rather than coincidental.