China (People's Republic), gold 5 yuan (1/20 oz) Panda, 1999, large date serif 1 (Shenzen Guobao mint), NGC MS 68. KM-1215; PAN-320C. This year saw the addition of the Shenzen Guobao mint to the lineup, in fact the only year in which all Pandas were struck at three separate mints. Actual mintage for all the mints: 37,171; estimated extant population for this variety