Here is a good example from my inventory of the double struck date error of the 1886 Morgan
You will see also what is the stretching / slight doubling effect of the stars next to the date as well as the appearance of extra hair strands on the lower section.
The 1886 double struck image is on the right next to a clean 1886 on the left. Also, on the double strike coins, another trait will happen of fine raised lines that will show:

You will see also what is the stretching / slight doubling effect of the stars next to the date as well as the appearance of extra hair strands on the lower section.
The 1886 double struck image is on the right next to a clean 1886 on the left. Also, on the double strike coins, another trait will happen of fine raised lines that will show:

































