《许真人井铭》南唐时期刻立于句容茅山,由徐铉撰文并篆书。东晋许长史(谧)曾在茅山建宅修真,后得道仙去,宅所岁久堙没,唯留丹井存焉,人称“许真人井”。南唐徐铉过访茅山,瞻仰遗迹,感佩万分,题刻井铭一篇。井铭原在句容茅山紫阳观内,宋代以后毁佚。 “Xu Zhenren Ming Ming” engraved in Jurong Maoshan during the Southern Tang Dynasty, written by Xu Xuan and seal book. The history of the Eastern Jin Dynasty Xu (Mi) once built a house in Maoshan comprehension, after Taoism immortalized, the residence of a long time no matter, only to keep Dan wells to save Yan, known as “Xu Zhen people ”. Nanxun Xu Xuan visited Maoshan, admired the relics, admired and inscribed a inscription Jingjing. Jing Ming in Jiyong Mausoleum Ziyang concept, after the Song Dynasty destroyed.