Simbolo identificativo sul piatto di mia nonna. È stato acquistato localmente. Potrebbe essere solo un monogramma, ma sembrava più intenzionale di così

That strongly resembles the type of monograms that masons used to use back in the late renaissance era to mark their work. If might be the craftman’s ‘signature’.

[https://ia601509.us.archive.org/28/items/koch-rudolf-the-book-of-signs-1955/Koch%2C%20Rudolf%20-%20The%20Book%20of%20Signs%20(1955).pdf](https://ia601509.us.archive.org/28/items/koch-rudolf-the-book-of-signs-1955/Koch%2C%20Rudolf%20-%20The%20Book%20of%20Signs%20(1955).pdf) (page 43: Stonemasons’ Signs)