2026-09-26T16:57:45+01:00https://marinefinds.org.uk/postmedievalcoins/rulers/ruler/id/507/format/jsonhttps://marinefinds.org.uk/postmedievalcoins/rulers/ruler/id/507/format/xmlhttps://marinefinds.org.uk/postmedievalcoins/rulers/ruler/id/507507John I count of Louvain, lord of Herstal128513091427Herstal271450751Penny