How long is an elephant pregnant for? While a female elephant is in labor, the other elephants in the herd protect her by forming a circle around her. Most elephants only bear one baby at a time, but twins occur in approximately two percent of elephant births.
This set the stage for the complete elimination of silver from our coinage by the end of 1964. Any United States dime, quarter, half dollar or dollar that is dated 1964 or earlier is made of 90% silver. In the dime series, all coins dated 1965 or later are clad coins and contain no silver at all.
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. They are worth much more than face whether dime or half. 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 &amp; 1970.