French ivory Vierge Ouvrante, Mirabeau et Mar. (Marie) Antoinette, the French Queen's dress enclosing a triptych carved with an audience with Honore Gabriel Riqueti, a/f, height 8.5 cm;catalogue note: Honore Gabriel Riqueti, Comte de Mirabeau (1749 -1791) was a French revolutionary. Moderate in politics, he favoured a constitutional monarchy similar to the British model, and held secret meetings with the Royal Family in an unsuccessful attempt to reconcile them with the Revolution