If your pulse has not returned to its morning resting rate one hour later, you are still having an allergic reaction to the food you ate previously and cannot get a decent result on another food until either your pulse slows again or until the next morning.
CoinTrackers.com has estimated the 1964 Lincoln Penny value at an average of 1 cent, one in certified mint state (MS+) could be worth $12. (see details)...
Due to monetary inflation, a nickel (5-cent piece) in 2007 was worth approximately what a penny was worth in 1972. When the United States discontinued the half-cent coin in 1857, it had a 2010-equivalent buying power of 11 cents.