On 2 August 2019 I wrote this post—which contained the following link https://x.com/liz_lizanderson/status/1016611053394976768 concerning a portion of medieval livery badge thought to be that of Henry Holand, 3rd Duke of Exeter. The 3rd duke fought for Henry VI and died mysteriously at sea, it’s thought at the instruction of the very Yorkist Edward IV. The…