Russian Russian Mafia hands finger criminal tattoo t-shirt. The acronym OPG is Organized Criminal (Prestupnaya in Russian) Group, used to refer to any of the Russian mafia groups, sometimes modified with a specific name, e.g. Orekhovskaya OPG. Sometimes the initialism is translated and OCG is used. Digitally Printed on soft superior 100% Cotton, Triblend, 50/50 premium Soft Style Quality T-shirts. Not Slim Fit Size XXL is Heavy Cotton. The Design Is Blended into the fabric of the shirt, No Peeling or Cracking High Quality Print. Quick Shipping By USPS First Class mail.