John Eckhardt Jr. who was known as Johnny Eck aka "The Amazing Half Boy",  "King of the Freaks", and "The Most Remarkable Man Alive" was an American freak show performer in side shows. Eck is most known for his role in the 1932 Tod Browning cult classic film "Freaks"

7" x 9" matted photo of Johnny and his brother Robert with an authentic affixed below the photo hand signed, John Eckhardt. 
Obtained from an individual who knew and corresponded with Eck.