We've been clearing out our warehouse and found some lovely items which had disappeared from view.
We have a very (no more than a half dozen of each) of these stick pins which were made in England. Each pin has a removable cap, and you'd be better using the cap for storing the pin and not while you're wearing it, because it will fall off at some point.
The detail is lovely and subtle, and the effect on a sweater, jacket or coat will be stunning. Each stickpin is 2.25 inches long, and yes, like your mother's sterling, the pin should be kept polished.
These are offered at a considerable discount, and your satisfaction is guaranteed.
Click on the image for an enlargement.