CH CORNERSTONE THANK YOU AT KOWALSKI (Labrador Retriever) Excelente 4 en Regular classes 12-18 meses, juez Mr. Philippe Lammens (Misty Dreams). CH CORNERSTONE THANK YOU AT KOWALSKI (Labrador Retriever) Excelente 3 en Sweepstakes classes 15-18 meses, juez Ms. Mary Roseberry (Rozzay).