Carl Olson, (July 11, 1928-January 16, 2002), was an American boxer. He was the world middleweight champion between October 1953 and December 1955, the longest reign of any champion in that division during the 1950s. Although he is probably best remembered for his three knockout defeats against Sugar Ray Robinson. His nickname, Bobo, was based on his younger sister's mispronunciation of "brother". Presented here is an original wire photo fepicting Carl "Bobo" Olson showing his fist to former world champion Barney Ross at his training camp. This is an original United Press International wire photo with their stamp on the back. No caption. Mild crease in lower right corner. Clean front and back. No tears. 7" x 9."