Yup, the Mint's designers failed to learn the Buffalo nickel lesson: don't make the date a high point of the design. This was probably minted sometime between 1917 and 1924; before that, there were no stars under the eagle, and after that, the date was recessed. The mint mark, if any, usually holds up better than the date, but I don't see any evidence of a mint mark on this coin. The only premium P-mint SLQ from this date range is the 1921. This coin doesn't show any hint of a last digit. One of the members here has experimented with etchants to raise dates on silver coins, and claimed to have restored a 1923-S. He sent it to ICG for authentication, and they wouldn't slab it. Date restoration on silver just doesn't work very well, and if you could do it, it would be fairly easy to fake whatever date you want. I guess ICG realizes that.