Vintage Andrea by Sadek Japan Set of 6 Ceramic Porcelain Place Card Settings

This is a set of 6 vintage ceramic Andrea by Sadek table place cards made in Japan collection circa 1980's. There are 2 pink, 2 blue and 2 yellow roses in the original box. They could be used as place setting cards or to label plates of food, sandwiches, cakes etc. at a buffet. Names can either be written on using a whiteboard marker, or written on paper and attached to the front. They each have a little built-in stand on the back Don't believe these have ever been used.