5 Zlotys The Vistula Spit Canal

The Vistula Spit Canal — completed in September 2022 after years of political friction with Russia — cuts through the Polish-controlled spit rather than routing through the Russian exclave of Kaliningrad, ending decades of dependency on Russian approval for Polish vessels to reach the port of Elbląg. The project was as much a geopolitical statement as an infrastructure one, and this coin was issued within a year of the canal's opening.