Vintage Christian Dior Leather and Stone bracelet, two rings, key holder set

This is a very rare set of four matching jewellery items by Christin Dior.

Two rings: One with a leather knot, one with a big green stone, both mounted on a silvertone ring.

One charm bracelet with leather knots, a green stone and a wooden Dior logo.

One key holder with two leather knots and a green stone.

All items are signed DIOR. Items show wear, please see pics.

The leather ring is a size 6, the stone ring is a size 8 (marked inside)