Set of 3 vintage planters "Pergamon" by Hanns Welling for Ceramano 1960s

Magnificent set of 3 planters with "Pergamon" decor, designed by Hanns Welling for Ceramano around 1960. Model numbers 5013, 5012 and 5011. Pre-use, slight wear, no damage. Dimensions : 5013 : height 6 910". (17,5 cm), diameter of the upper support 7 910" 5 34" (20 cm 14,6 cm), weight 1600 gms. 5012: height 6 13" (16 cm), diameter of the upper support 7" 5 13" (18 cm 13,5 cm), weight 1100 gms. 5011: height 5 13" (14,4 cm), diameter of the upper support 6 15" 4 34" (15,8 cm 12 cm), weight 800 gms.