1793年西藏乾隆宝藏3/4钱,28珠,PCGS AU55,PCGS 记录唯一一枚,极罕。Tibet, Qian Long (1793), 3/4-Sho (Half-Tangka), 2.83g, 58th year, four groups of seven beads, date reads clockwise, starting at 9 o clock near the rim: nian wu shi ba (year fifty eight), rev. four groups of seven beads, Tibetan date reads clockwise, starting at 12 o clock near the rim: lnga bcu nga brgyad (fifty-eight) (C#66.2), PCGS AU55, #45306811, very rare variant with 28 dots on each side