Tiniest pin I have ever had! This rare and very old - Victorian - pin is about 5/8th inch in diameter or more accurately, 20 mm. There are tiny buds around bigger flowers in center and little blue stars set off by white in border. Multi-colored tiles all present. Very old tube hinge, C clasp and extended pin stem indicate age. Marked on back but not "Italy." Excellent antique condition. Maybe used as a button?
Tiny Micro Mosaic Victorian Pin