The inscription on the back of the box reads: 〇〇 〇〇 Wedding Anniversary, September 1978, Kaishindo. The 〇〇 〇〇 part was covered with a sticky note and photographed (image 3). Although I am not a professional, the measurements are: top diameter 50mm, diameter 98mm, base diameter 55mm, height 124mm (please use as a reference only).