Set of five tie pins, one with a...

Set of five tie pins, one with a circular twist set with a spinel rouge ; two horseshoe pins, one with rose-cut diamonds and sapphires (missing), the other with a twist partially paved with cut diamonds rose ; one in yellow gold and silver with moonstone cabochon and cut diamonds rose ; the last in yellow gold with a chased knot pattern with an emerald and pearls on the shoulder. P. Brut : 11.2g.