This is a handmade vase from Italy. It is a very beautiful item. In Europe, Opaline refers to opalescent glass, first made in Venice in the 16th century and known for the delicacy and beauty of its colors and designs. It's a rare, one-of-a-kind "Opaline Vase" vintage European piece, so popular that it has collectors all over the world, but is still not widely available in Japan. If you purchase a set, it will be ¥5000 for two!