Astor Nesting Coffee Table by Restoration Hardware.
With smoked-mirror surfaces set within sleek metal frames, the nesting tables are stunning examples of 1970s postmodern design. Smooth edges and contrasting materials evoke the era's bold experimentation and embrace of unexpected combinations.
Link to the manufacturer :
https://www.restorationhardware.com 

Flint/Memento 2008 Tableware by Matteo Zorzenoni.
Link to the manufacturer : http://www.matteozorzenoni.it/