You are looking at a Medal for Life Saving by Tsar Alexander II. The Medal was first instituted on April 17, 1828. After the death of Tsar Nicholas I, the Medal was reissued in 1855 and 1863 weaing the semblance of the new Sovereign, Tsar Alexander II. The medals were bestowed upon individuals for deeds involving for saving lives.
The obverse shows the truncated bust of Tsar Alexander II facing left encircled by an inscription meaing: "By the Grace of God Alexander II Emperor and Autocrat of All Russias". The reverse of the Medal has in inscription signifying: "For Life Saving".
DIAMETER: 29 mm
RIBBON: Modern Suspension with St. Vladimir ribbon