Tesserae, There are a few more Micro Mosaic pieces in my listings, even very old ones that look like Pietra Dura
Micro Mosaic Pin or Brooch
Markings: Italy; original sticker for 33,000 Lire
Metal: Gold Tone
Accents: Twisted rope rim; tiny tiles in a floral cluster; greenish blue and pink
Size: Approx. 1" x 3/4"
Boxed Priority Mail with Delivery Confirmation is used