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Message:: [QUOTE="kanga, post: 2719281, member: 9270"]LESSONS LEARNED (so far):1. As I said determining the Newcomb Number on some of these requires a considerable effort.2. All my coins are slabbed BUT many have debris caked in areas that I need to see to look for variety attribution. NCS could solve that BUT the value of the coins does NOT merit the cost of conserving/attributing/reslabbing them.3. My 9x and 10x loupes just don't have enough "oomph" to see many of the PUP's for variety attribution. I need a stereo (dissecting?) microscope to get me into the 20x to 60x magnification range. The cost of such a microscope is probably not merited by my limited need.4. While looking for PUP's I've found that many of the slabs need to be polished. Lots of scratches and rubs. So before I go through the imaging process I'll have to take the time (and elbow grease) to clean them up. An annoying but necessary procedure. That's 33 slabs (66 sides).[/QUOTE]