Details unknown. The back has the following engraved: 100 million people's environment Fuji Network It feels cool to the touch and has some weight, so it's probably made of iron or some other metal. ● Size Total length: Approximately 5.9cm Thickness: Approximately 0.5cm [Body only] Diameter: Approximately 3.2cm Thickness: Approximately 0.2cm #Retro #ShowaRetro #Showa #FujiTelevision #FujiNetwork #Fuji #Television #TVStation #FujiTV #FNS #CorporateLogo Red Blue Waves LogoMark Design CorporateLogo Crest Symbol Object Showa Heisei Retro Antique Vintage Rare Scarce Precious RareItem Antique CommemorativeGoods Souvenir NotForSale Novelty FreeGift FujiTelevision HorieMon fuji FNS 27HourTV FNN FujiTelevisionNetwork BroadcastingStation TVStation HistoryOfTelevision Media Broadcast CommercialBroadcasting ColorTelevision Medal Keyholder Casting Foundry Casting DieCast Metal Silver Iron Alloy Metal Gloss Weight Weight Weight Weight Weight Sundries Paperweight Paperweight RetroGoods ShowaRetro ShowaGoods Expo Medal #HalloweenOnMercari