Two items: an official participation certificate of the Rio 2016 Summer Olympic Games issued to Jungbin Shin, one page, 8.25 x 11.75, with IOC and Rio logos to upper corners and trilingual text below, reading: "In recognition and appreciation of your contribution to the success of the XXXI Olympiad"; and an official participation medal of the Rio 2016 Summer Olympic Games. Alloy copper, 44 x 50, 100 gm. The front features the Rio Games logo above Olympic rings; the reverse bears flowing designs above three rows of raised text, “XXXI Olympiad Rio 2016.” Includes the original presentation holder and slipcase. In overall fine condition.