Right of Prisage (Levy on Wine Imports) for Ireland, granted to Butlers (Earls of Ormond), 1319 bought out by British Government after Act of Union 1800 for £216,000 (c €20 million)
http://www.galway.net/galwayguide/history/hardiman/chapter4/wine2.html
http://www.kilkennycastle.ie/en/TouroftheCastle/LordsoftheCastle/TheEighteenthCentury/
