Overall length is 15"
Blade is 9.75" - 10"
both the weapon and sheath have "61885" stamped on them. Sheath has an unrecognizable symbol stamped on opposite side of number stamp.
Blade is only sharpened along one edge.

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http://arms2armor.com/Bayonets/yugo24a.htm
http://reviews.ebay.com/Yugoslavian-M48-bayonet-NOT-WWII-or-German-made?ugid=10000000015345017
WW1 from what i was told, don't know any more than that.
looks exactly the same tho.