The 2011 Honkbal Overgangsklasse 1 -- 6 ( best teams ) season began June 25 , 2011 .
The 2011 Honkbal Overgangsklasse 1 -- 6 ( best teams ) season ended September 4 , 2011 .
The 2011 Honkbal Overgangsklasse 1 -- 6 ( best teams ) season began June 25 , 2011 and ended September 4 , 2011 .