Spoiler inform: there isn't a universal ‘ideal metal detector for gold’. (Even though the GPZ 7000 is close for those of you who can afford a detector that’s precisely the same price as a vehicle). Minelab’s GPX 6000 metal detector is designed by the earth chief in gold detection engineering https://www.chinauksorn.com/forum/topic/8793/how-to-detect-coins-in-beaches-and-parks