It looks like it has been defaced. Date or no date, the damage makes it junk silver. At least in Meow's opinion.
Plus one. I have a hard time calling an old coin junk. There is still history there. But it would only trade at a spot silver price.
Don't they call messed up silver coins junk silver? Meow can see it is defaced, on top of having no date. Just worth silver content in Meow's opinion.