YUGOSLAVIA: Specimen of 10 billion Dinara (1993) in black, purple and red. Nicola Tesla at left and National Banks monogram at center on face. S/N: "AA 0000000". MK: Tesla. Signature by Borivoye Atanockovich. Red diagonal ovpt "SPECIMEN" (type J1) on both sides. Black cachet "0132" at bottom center margin. WMK: Tesla. Signature by Atanockovich. (Pick 127s). Uncirculated.