Date entered in revision: April 3, 2013 Technical characteristics Nominal Metal Mass, g Diameter, mm Quality category carbuvannya Gurt Circulation, pcs. Actual circulation, pcs. 5 bimetal from inexpensive metals 9.4 28.0 special uncirculated sectoral corrugation 15,000 15,000 to the previous Institute of Judicial Expertise. Having passed the folding path, the Institute became one of the leading establishments of ship-expert safety, de-pratsyuyut highly qualified ships.