Russia USSR 150 Roubles 1988 (L) The 1000th Anniversary of ancient Russian Literature. Obverse: The coat of arms of the Soviet Union; value; date. Lettering: СССР Pt999 15.55 ЛМД 150 РУБЛЕЙ 1988. Reverse: Tale of Igor's Campaign. Lettering: 1000-ЛЕТИЕ ДРЕВНЕРУССКОЙ ЛИТЕРАТУРЫ СЛОВО О ПОЛКУ ИГОРЕВЕ 1185г. Platinum (.999) 15.55 g. Edge Reeded. Y 215. NGC PF 70 ULTRA CAMEO