Why are 1921 silver dollars re-coined?
The 1921 silver dollars were re-coined due to several reasons. Firstly, there was a demand for more circulating currency at that time. Secondly, the existing silver dollars might have been worn or damaged, requiring replacement. Lastly, the re-coining process could also help to standardize the weight and purity of the silver dollars, ensuring their value and acceptability in the market.