This is a 20 Troy ounce silver coin commemorating three hundred years of mining in South Africa, from 1683 to 1983.
This is a .999 silver medallion weighing 20 ozt from The Gold and Hard Asset Exchange in Johannesburg, South Africa.
This shows the logo and name of The Gold and Hard Asset Exchange (GHAE), a South African entity based in Johannesburg. This specific design is the reverse side of a series of large commemorative silver medallions, often referred to as "Silver Troyans".
The reverse shown features the GHAE logo—a stylized "GHAE" monogram—superimposed over a globe with latitude and longitude lines.
300 Years of Mining (1683–1983): Features two miners (one kneeling, one seated) working on ore.
