first question: in my eyes the owner has all rights to make changes...

second: you can feel responsibility, but you donīt have to, itīs your decision...the venetian beads I am working with from time to time, are usually in bad condition, with chips or breaks, most are "common", some more rare, and for each one I have to decide, if I make changes or not...for me these reworked beads are of course not longer original and I would not call them collectible, but they make their way as "wearable" and usually become part of a necklace for myself or friends...the images show some of the nicer ones...

Most of the old collectible beads, even if excavated, had owners before, who cherished and took care of them...did they felt responsibility or did they just kept them for their own beauty or their worth? Doesnīt matter for me, as long as I can view them, even with changes...:)

Thanks Fred! Mostly your questions kick my brain in a very nice way...:)