Modern dating style in china

The House of Han ruled all China for almost four hundred years.The traditional starting date for Han rule is 206 BC but, as discussed above, 202 BC may be more accurate.With the exception of some very late issues (Han period), none have inner or outer rims.They appear to have been cast in reusable carved stone (steatite) molds, several of which still exist today.It seems likely the Ch'in government would have had a method of determining the mint and period of issue of any given coin, as such systems appear to have been in place on other coins for over 100 years.No mint marks occur on these coins, but it is unreasonable to assume all were cast at a single mint.

While specimens of this larger issue weighing over and under 12 grams probably date to the same period, many collectors value the heavier specimens more highly. Specimens over 12 grams exist and command a premium price, but they are rare.We believe this refers to the larger specimens (over 30 mm) which range between 6 and 12 grams but averaging 7 to 8 grams or 15 shu.This is exactly 1/2 the weight of a ming style knife, and it maybe these were first introduced as a half unit of those knife coins, during the late Zhou period.The official records of Han suggest that the coins of this size were made continuously throughout the later Chin and early Han periods, and one probably cannot assign them specifically to one Dynasty or the other.Pan Liangs under 30 mm can safely be assigned to the Western Han Dynasty and are discussed under that heading.

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