The dietary supplement creatine can have the same effect. If your serum creatinine level is higher than normal, your doctor may want to confirm the results with another blood or urine test. If kidney damage is a concern, it's important to control any conditions that may be contributing to the damage.
Dollars were included in proof sets through 1981, when the last of the Susan B. Anthony dollars were made during their original run. Regular proof sets returned to a 5-coin format through 1998. In 1999, U.S. proof sets were substantially expanded in size to include the newly released 50 States Quarters.
Susan B. Anthony Dollar. 1979-1999 Susan B. Anthony Dollars. The United States Mint introduced their second modern series of dollar coins in 1979. The previous Eisenhower Dollar series had been produced with the same diameter as the classic silver dollars, but struck in copper-nickel clad composition.