Upload & Sell: On
...1 or 2 quick questions...
Most folks here are happy to answer questions, but I didn't see any in there. :-) 16 year-old Leica R glass is practically brand new. A few finish imperfections and minor front-element scratches should in no way affect any lens' performance in the field, so it only affects a Leica's value for those who own them to collect them.
With any new-to-you lens, I'd recommend taking some test shots of boring but predictable subjects and make sure the lens performs harmoniously. In other words, the four corners should appear about the same as each of the others, out-of-focus subjects in the center of the frame shouldn't be blurred in one direction or another, the lens should focus to infinity, and all the controls should work smoothly.
Enjoy your new lens, and share a few shots! If you do have questions, have another go at letting us know what they are.