Set of 2 solifleur block vases walther glas 60s 70s op art arrangement vases

Very nice set of 2 mid century glass vases, manufactured by walther glas in the 60's/70's. Thick crystal glass. For beautiful arrangements with dried flowers, single branches or flowers. Very good condition, no damages. Dimensions in cm: rectangular vase height 14 cm, width 10 cm, depth 3.7 cm. Round vase height 11 cm, width 12 cm, depth 3.7 cm. Total weight 1850 gms.