These could be used a number of ways, but they could be used primarily for floral arrangements, especially the Japanese kind. It is also known as an Ikebana Vase for Japanese Flower Arrangements (Pot Tray)

There is one small crack on the side of one of the five trays (see pics)

Also, there is a glued on clear plastic bar (4” long) on the bottom of 3 out of the 4 trays. Easily can come off but thought it best to keep in case they are needed by another florist