Although these are certainly NOT the only
strike diagnostics for Walking Liberty halves, they are two of the indicators of how well the coins are
struck.
Don't get this mixed up with grading, but strike is one element in grading MS coins.
In order of presentation they are a 1941, 1941-D and 1941-S.
All are graded by the same TPG (NGC) so there should be a reasonable degree of consistency for comparison.
The three obverses:
Now for a closer look at the lines in the robe where they cross the left leg:
And finally a closer look at the left hand (I need to do a better job here; look at the whole images above also):
