Dividend Policy Analysis. Since raising its dividend in December 2014, AT&T had a dividend yield of 5.78% on Sept. 18, 2015, which is calculated by dividing its annual dividend by its closing share price.
Although quarters were never made entirely of silver, the U.S. Mint completely stopped using silver in quarters in 1965, producing the last actual silver quarters in 1964. Prior to 1965, the Mint made quarters out of 10 percent copper and 90 percent silver.
The US Dime and Quarter Dollar changed from 90% silver to 0% silver after 1964. The US Half Dollar went from 90% silver to 40% silver from 1965 through 1970 after that it contained 0% silver. The US Dollar had 90% silver until they stopped making them in 1935.