Robert Ballard before 1985 was only known to people interested in deep sea exploration but September 1st he discovered Titanic and Milvina Dean told us that she was rediscovered! His genuine autograph is getting more difficult to obtain and we are delighted to have 2 new ones in stock available. This one is a postcard of an painting originally done by Derek Stone signed clearly size is 10 ½ cm x 15cm