Austria
Austria, Francis Joseph I (1848-1916 AD), Gold 100 Coronas, 1915, Obv: the bare-headed bust of a mature Francis Joseph facing right, lettering ST. SCHWARTZ on the truncation, legend "FRANC.IOS.I.D.G.IMP.AVSTR.REX BOH.GAL.ILL.ETC.ET AP.REX.HVNG" around the field, Rev: Austrian imperial crowned double-headed eagle with a coat-of-arms on the chest, holding a sword and a crown, denomination by the sides, legend "C CORONAE MDCCCCXV. 100 COR. 1915" around the field, legend on the edge, 33.7g, 36.98mm, (KM # 2819), AU-UNC, Extremely Rare.
Estimate: INR 170000 - 200000