Really? You physically mark the coins with a Sharpie? As a coin collector you don't see any hypocrisy in that act? Just because you didn't notice or find any anomaly with the coins doesn't mean the next discerning searcher won't find something of interest to them. And at that point their search/find is ruined by your Sharpie ink.
Or just don't mark the coins with any substance, Sharpie, nail polish, sandpaper, or scotch tape. ESPECIALLY if you're a coin collector yourself
I think I may have to add one to the list. Machine-wrapped rolls that get meticulously undone by a person, on one end, and then re-filled. How the heck do they get the coins out, or back in for that matter? I tried to push them out myself (naturally, they were searched, though not to my level) and after about fifteen seconds of pushing and shoving with little movement, I gave up and told my 3-year-old that he could rip them all open and dump the coins out.
I did that once for a whole box of nickels the bank did take the box.At the end i figured it was to much trouble and re-rolling with regular wraps was the only true way.
Usually a few light taps on the side of the roll is enough to get them to move once the top has been unrolled. I start at the end of the roll where the paper tucks in. After that, I nudge the coins from the middle like I would a push-up ice pop. Just takes a little more patience than loading them into other wrappers once searched, but I prefer reusing original wrappers when possible.