Pictures of Oliver, Valentina and previous litters. Great as Working Dogs – Great as Pets in the Home! Valentina Vom Kraftwerk Valentina during Protection Training (10 months old) – fearless Valentina Calm and Affectionate Father, Son and Valentina Oliver being Oliver Male – Green Collar 4 Weeks Male – Red Collar 4 Weeks Female – Yellow Collar 4 Weeks Male – Black Collar 5 1/2 Weeks Female – Orange Collar 5 1/2 Weeks Male – Red Collar 5 1/2 Weeks Blue Collar Male – Black Collar 4 Weeks