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 "1990". 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 two sailing ships of the early eighteenth century, left the ruble of Peter's time with the profile image of the Emperor and of the title: "ПЕТРЪ I IМПЕРАТОР I САМОДЕРЖЕЦЪ ВСЕРОССИИСКИЙ" Upstairs along the rim, a semicircular inscription: "500-ЛЕТИЕ ЕДИНОГО РУССКОГО ГОСУДАРСТВА" down more finely along the rim "ФЛОТ ПЕТРА ВЕЛИКОГО"
On the front and back parts of the coin along the circumference has a raised rim.
Photo source: scoins.ru
Before coming to power of Peter the Great in Russia was not regular Navy. A small flotilla was created directly before the fighting and consisted of several ships. In 1688, on lake Pleshcheyevo in Pereslavl-Zalessky create a "Funny fleet", which included miniature ships for training sailors. In the 90-ies of the XVII century began to put the Azov fleet, and in 1696, a Royal decree confirmed the creation of a regular Russian Navy.