The treasury of the Principality of Sealand has unveiled (14th January) memorial coins which pay tribute to Sovereign Princess Joan who passed away on the 10th March 2016, at the age of 86. She co-founded the Principality of Sealand, a micro-nation which lies just six miles off the southeast coast of the UK along with her husband, Paddy Roy Bates (1921-2012), becoming its first sovereign princely couple on the day of the proclamation of independence
