There are two main varieties of the 1947 S wheat penny. The first variety has a small "S" mintmark located below the date. The second variety has a large "S" mintmark located above the date. The large "S" mintmark is more common and is worth less than the small "S" mintmark.
The value of a 1947 S wheat penny can also be affected by other factors, such as its color, luster, and eye appeal. A penny that is brightly colored and has a strong luster will be worth more than a penny that is dull and has no luster. A penny with good eye appeal will also be worth more than a penny with poor eye appeal.
If you have a 1947 S wheat penny, you can determine its value by examining its condition, variety, and other factors. You can also consult a coin dealer or appraiser to get a more accurate estimate of its value.