Memorabilia
Benjamin Franklin's ceremonial sword will sell on September 20
Benjamin Franklin wore his ceremonial sword as ambassador in France
Lafayette American presentation sword valued at $50,000 ahead of sale
The presentation sword was given to Lafayette, a French general of the American revolution
Sword presented by Edward VII carves out £10,000
Given to Sir Dighton Probyn by Edward when he was just a young prince starred at Dominic Winter