Beautiful Mostyn Hall in Flintshire, residence of the Mostyn family since the 14th century, is to be opened to the public  from 4 to 11 July and 22 -31 August to raise money for the Stroke Association. Entry fee £10. You can read more at https://www.leaderlive.co.uk/news/26161726.public-offered-sneak-peek-inside-historic-mostyn-hall/. The particular interest to Ricardians is that Henry Tudor…