Second hand store - Vestiaire Collective
Sergio Rossi Leather sandals

ShopStyle
Sergio Rossi “SR1” Slingback Sabot in laguna (mid blue) crackled lamé suede, featuring silvery 3D-floral decorations on the vamp upstand and silver-tone metal logo plates, squared open toes, very low heel counters, narrow buckled ankle straps that form V shapes on the heels, and high wrapped geometric heels | from SergioRossi.com | June 2018