This appears to be a badge from the 1979 Mizuno Gold Cup Golf National Tournament. The front reads "MIZUNO" and "GOLD CUP GOLF COMPETITION." It is believed to be a rare vintage item, as similar items are not readily available. The lid is not included. Pin Badge ⑩ National Tournament 1979 Mizuno Gold Cup Golf Mizuno Mizuno Gold Cup MIZUNO Golf National Tournament Badge Pin 1979 Tournament Vintage Retro Showa Era Rare Item Collector's Item No Lid Golf Fan Sports Memorabilia Collection Present Mizuno Gold Cup Golf competition pin 1979 vintage badge rare golf memorabilia collector’s item