Uncommon black-bordered signed Executive Mansion card, boldly signed in black ink, “Chester A. Arthur.” Ellen “Nell” Arthur died of pneumonia on January 12, 1880, only twenty months before Arthur became President. That November, when he was elected Vice President, he was still mourning her bitterly. Arthur stated that he would never remarry and, while in the White House, asked his sister Mary, the wife of writer John E. McElroy, to assume certain social duties and help care for his daughter. In fine condition. Auction LOA John Reznikoff/PSA/DNA and R&R COA.