MAYONAISE BOWL, ON THE BACK OF IT IT SAYS "THE WINDSOR SHAPE" MEITO CHINA JAPAN. THIS PIECE IS NOT CHIPPED, CRACKED OR BROKEN IN PERFECT CONDITION. IT HAS GOLD TRIM AND LACED WITH GOLD VINERY WITH SEVERAL DIFFERENT FLOWERS INCLUDING A ROSE PATTERN.THE BOWL IS ATTACHED TO THE PLATE, THE LID HAS THE CUT OUT FOR THE SPOON. I WAS TOLD IT WAS MADE BEFORE THE 1950'S, I AM NOT A GLASS EXPERT SO I DON'T KNOW ALOT ABOUT THIS PIECE. I DO REQUIRE INSURANCE!!