The one in pic,from work and shape,should be manufactured in Dajun factory in Anti-Japanese period,which was a good product but in inferior condition,with the biggest disadvantage that lack of Tan and iron ring.

• 图中这一把看做工和形制应该是抗战时期的大军工厂生产的，可以算是好货，保存稍差，最大的缺陷是刀镡和铁环丢了。