1759 Delegate to the Continental Congress Robert Goldsborough, Signed Ex Library Book

I am selling this book, The book is form 1692, and once belonged to Robert Goldsborough, singned 1759,   Here is a little history about Mr.Goldsborough, Attended the Colloge of Philadelphia, in 1760, before resuming the practice of law in Cambridge, Maryland,  Mr Goldsborough was the sheriff of Dorchester County from 1761 to 1765, He began his service in the Maryland Assembly in 1765, and served as the colony's Attorney General in 1766, He became active in the protest that led to the American Revolution, joining Maryland's " Committee of Saftey ", in 1774 he was sent to delegate to the Continental Congress, where he served until May 1776, Later that year he attended the Convention that drafted Maryland's first state constitution, Under the new state constitution, he was elected to the first Maryland Senate in 1777,   Mr. Goldsborough Narrowly missed two chances to be listed as one of the Founding Farthers of the United States, He withdrew from the Continental Congress six weeks before the Declaration of Independence to return home and work towards Maryland's first constitution, in 1787, he was selected as a representative to attend the U.S Constitutional Convention, but did not attend due to poor health He died the following year at home, and is buried in Cambridge Maryland, 1733-1788, I willing be willing to hear any offers above 500.00, I am not exactly sure how much the book is realy worth, but i can not take less then 500.00, The book does have some conditions, the book cover is just about detached, the pages are slightly brownd due to age, but they are not brittle, There are few small holes to the back page, other than that the book is in good condition, no rips, Book size is missing pages,  Book size is 7" 3/4 x 4' 3/4,  The book tile is, A Defence Of The People Of England, By John Milton 1692