One can almost make out a slight resemblance to Prince Charles from that photograph.
King George VI’s stutter free, but halting speech announcing England’s entry into World War II has been preserved here :
http://www.youtube.com/watch?v=DAhFW_auT20
(Colin Firth played the role perfectly).
Colin Firth on his role as the stammering King ( also contains video clips of King George VI’s public speech ) :
http://www.youtube.com/watch?v=-JICrIXfL2c
RE: Prince Charles and his resemblance to his grandfather...
His grandfather had more courage and character. Charles was more similar in character to his grand uncle, Edward VIII, I would have to say.