1972年香港海底隧道落成纪念奖章一对,银章及铜章各一枚,分别评NGC MS66及NGC UNC;Hong Kong, a pair of medallions issued in 1972 to commemorate the opening of the Cross Harbour Tunnel between Hong Kong and Kowloon, 1 bronze and 1 silver, both with diameters of 42mm with the silver weighing 36 grams,the bronze NGC UNC Details (Cleaned) and the silver NGC MS66 (2)