YUGOSLAVIA: Specimen of 500 Dinara (4.11.1981) in dark olive-green on multicolor unpt. Statue of Nicola Tesla seated with open book at left on face. S/N: "AT 0000000". Red diagonal ovpt "SPECIMEN" (type J4) on both sides. Blue cachet "000063" at bottom right margin. Signatures by Veljkovich & Makich. Security thread. (Pick 91bs). Uncirculated.