Belgian violin virtuoso, composer, and conductor (1858–1931) known as ‘The King of the Violin.’ Vintage 3.25 x 5 postcard photo, affixed to a 5.75 x 8.25 mount, signed on the mount in black ink, “E. Ysaye,” and dated July 1903, with Ysaye adding a very nice three-bar AMQS from an unidentified work above his signature. In fine condition. RR Auction COA.