Anyone who has seen Ken Burns' 9-part "Baseball" documentary was instantly won over by the affable O'Neil.
One of the great ambassadors for the Negro Leagues, he played in Cuba only one year and fortunately for us, had a card produced.
This is card #78 from the 1946-47 Caramelo Deportivo issue. One of the tougher cards from this set. Almost never offered for sale publicly.