Set of 2 vintage bowls in glass by Per Lutken

set of 2 glass elements designed by Per Lütken and produced by Holmegaard in Denmark in the 1960s. one element is in a nice blue tone, the other one in a green tone. both items are marked by the Producer with "Holmegaard" on the stand, on one of the elements the signature is hardly visible due to scratches from moving.. This item remains in a good vintage condition.