Due to its Witwatersrand Basin goldfields, Johannesburg, South Africa, which was founded in 1886 after gold was discovered, eventually became the world’s largest producer of the precious metal throughout the 20th century. However, many of the old mines have closed, and their places have been taken by small-scale illegal miners and an array of social issues.
The bullion markets are traded continuously across the world. Based on a live market price, there is no subjectivity and it can be sold at anytime, unlike other physical assets such as real estate