And for a related piece that was not minted during the 30 years war. I grew up in Delaware and our well known local history was that we were colonized by the Swedes. This medal is the 350th anniversary of Swedish Colonization of the Delaware area. They were fleeing the war at home.
Spanish Nederlanden/ Brabant AV Doble Soberano 1619 Brussels Mint Albrecht VIII & Elizabeth 1598-1621 This coin was struck in year two, fighting was very hot in the Flanders theatre, here Spanish soldiers were fighting Dutch insurgents.
Most of the coins I have from that era are from the Italian States, which weren't central to the conflict. Here are a few from the general region: Osnabrück 1625 9 Pfennigen Saxony 1/24 Thaler 1624 Polish-Lithuanian Commonwealth 3 Grosze 1623 Sedan Double Tournois 1634-38