Coins of the South African rand transactions are rounded to the nearest 10c. A bi-metallic R5 coin with added security features, including a grooved edge and micro-lettering on the reverse, was introduced in 2004. The gold Krugerrand coin is produced in 1/10 oz, 1/4 oz, 1/2 oz and 1 oz denominations. Coins of the South African rand The coins of the South African rand are part of the physical form of South Africa's currency, the South African rand. In 1961, South Africa replaced the pound with a decimal currency: 100 cents (100c) = 1 rand (R1), 1 rand being valued at 10 shillings and 1 cent
Ingersoll Rand Company in New York, and in 1888 it combined with Sergeant Drill to form Ingersoll Sergeant Drill Company. Also in 1871, brothers Addison Rand (1841–1900) and Jasper Rand, Jr. (1837–1909) established Rand Drill Company with its main manufacturing plant in Tarrytown, New York. Rand drills cleared New York's treacherous Hell Gate channel and were used in the construction of water aqueducts for New York City and Washington, D.C., and tunnels in Haverstraw and West Point, New York, and in Weehawken, New Jersey. In 1905 Ingersoll-Sergeant Drill Company merged with the Rand Drill Company to form Ingersoll Rand. Ingersoll Rand has