coin minted in the reign of Emperor Ling of Han 漢靈帝|汉灵帝[Han4 Ling2 Di4], with a square hole in the middle and four lines radiating out from each corner of the square (hence the name 四出文)
to go out / to come out / to occur / to produce / to go beyond / to rise / to put forth / to happen / (used after a verb to indicate an outward direction or a positive result) / classifier for dramas, plays, operas etc