This is an authentic FENDI Colibrì Ballerina Flats in“Forever Fendi” Technical Mesh FF Size 40 equals to US10 according to Fendi website.

These are stylish flats that feature a pointed toe, a branded insole, an FF Zucca motif logo on mesh, and an elastic slingback strap.
The pair is in good pre owned condition. Signs of wear are including light wear on insoles, wear on the back strap, scuffs on outsoles, minor scuffing on the heel area.