TURKEY: AR medal (131g), 1918, NP-1150, 65mm, for the visit of the Austrian Kaiser Karl I to Istanbul, 29 May 1918: toughra of the sultan Mehmet V (1909-1918) // the crowned shields of Habsburg-Lothringen and Hungary, double marginal text around, AU, RR. It is reported that only 30 examples of this medal were struck in silver.
Estimate: 3,000-4,000 USD