I have heard that a m'zuza must be checked twice every seven years by a qualified sofer. I have also heard that, assuming it's known to have been kosher at one point, it need only be checked for faded ...
I occasionally check eBay for assorted items; this is typically for the science half of my life, but I sometimes find Judaica which probably should not be sold there. For example, I know that in the ...
Next to the door of a new flat there was a roll of paper inside some plastic wrap. I didn't know what it was, so I took it down to inspect it. Inside I found a roll of very stiff paper and Hebrew ...