I certainly perceive the tang style as European , but if Wikipedia is to be believed the Yao resisted, The Brits, Germans & Portuguese. {If so they did well...}
They were Muslim slave & ivory traders trading with the Arabs... If this is correct perhaps they where originally traded there by the Arabs, along with the guns they gave them?
Obviously the Wicky article may not be entirely correct either...
I do believe they were found in Yao territory, but I don't believe the Yao made them.
spiral
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