In our early days of collecting we found a sharp bladed item in a box of auction “junk” and thought it was an ornate “letter opener”.
But not so, ….. and were we surprised. ……. it is a ……. “
steel (ink) eraser”.
Like the bottom one in this AD but with a very ornate handle, to wit:
Here is another “
ink eraser” that could mistakenly be called a “letter opener”, to wit:
Now I'm not saying that the posted item is an "eraser" .......... but