51 (35):790. 1  Update: Investigation of West Nile Virus infections in recipients of organ transplantation and blood transfusion â Michigan, 2002. 2  MMWR, 2002. 3  51(39):879. 4  Hepatitis C Virus Transmission from an Antibody-Negative Organ and Tissue Donor --- United States, 2000--2002. 5  MMWR, 2003. Srinivasan, A., et al., Transmission of rabies virus from an organ donor to four transplant recipients. 2  N Engl J Med, 2005. 3  352 (11):1103-11. 4  West Nile Virus Infections in Organ Transplant Recipients --- New York and Pennsylvania, August--September, 2005. 5  MMWR, 2005.
1964 was the last year the US minted dimes and quarters from silver for regular circulation. The US Mint makes proof sets every year that have silver coins in them, which you can buy from the US Mint or a local coin dealer. Also, look out for silver halves, which were last made in 1964 as well at 90% silver. Then remember to look for 40% silver halves between 1965 & 1970.
With the passage of the Coinage Act of 1965, the dime's silver content was removed. Dimes from 1965 to the present are composed of outer layers of 75 percent copper and 25 percent nickel, bonded to a pure copper core.ith the passage of the Coinage Act of 1965, the dime's silver content was removed. Dimes from 1965 to the present are composed of outer layers of 75 percent copper and 25 percent nickel, bonded to a pure copper core.