Unused on cover / entire letter 1917 (9 Nov.) envelope to Nassau, marked "Special Dely via NY", bearing Canada 1908 ½c. vertical pair (damaged) and 1912 2c. tied by Toronto duplex, and 1916 (May) Special Delivery 5d. (1st printing, No. 31) cancelled by Nassau c.d.s. (14.11) with another strike on reverse