44-S Merc Grading Needed.

Well, it depends on your budget. If you're building a set, a lot of dates are hard to find with full strikes and fully split bands, or are prohibitively expensive. Only a few collectors can afford more than a handful of the pre-depression dates in uncirculated condition, let alone full-band gems.

With a little more familiarity with the series, you'll get better at where to look for wear, for the quality of strike, how to tell if it's been cleaned, how to tell die abrasions from scratches, which dates are easy/difficult, which would make the best dates for a type set, etc.