The obverse of the coin at the top the emblem of the USSR of the sample of 1956 (15 bands of tape around the number of the Union republics, the lower coil larger than the other). Under the emblem of a large letter "СССР" yet below is the value: a large figure "3" under it the word "РУБЛЯ" At the very bottom near Kant is the year of issue "1988". In the bottom left, under the horizontal line in the two lines marked metal, fineness and weight of pure silver - "Ag 900 to 31.1" on the right side under the same trait located at the same level, is a mark of the Moscow mint
(stylized letters "ММД".
On the reverse in the center the relief image of the Cathedral of St. Sophia in Kiev. Upstairs along the rim, a semicircular inscription: "1000-ЛЕТИЕ ДРЕВНЕРУССКОГО ЗОДЧЕСТВА" down more finely along the rim "СОФИЙСКИЙ СОБОР • КИЕВ •"and year of PETROCI - "1037.".
On the front and back parts of the coin along the circumference has a raised rim.
Photo source: www.coins-market.ru
Saint Sophia Cathedral in Kiev is one of the oldest surviving Russian Orthodox churches, was built on the orders of Yaroslav the Wise in XI century by architects from Byzantium. Inside has original mosaics made in the Byzantine style, as well as ancient frescoes. The temple's exterior was slightly redesigned in the XVII-XVIII centuries, and found the elements of the Ukrainian Baroque style. According to some Ukrainian historians, the Cathedral was built on the spot where Prince Vladimir was baptized, but chronicle sources indicate that this occurred in the town of Korsun (now Khersones) to the Crimea.