I've just been reading Unsal Yucel's book. I see what you mean about the gold dots. So the sword in plate 16 probably is Ummayyad or Abbassid, Yucel does say that it has 3 gold dots on the blade.  The decoration clearly is not Ummayyad/Abbassid. 
 
The sword in plate 21 doesn't seem to have the dots however. It also has grooves on the blade. Yucel does say on page 56 that Ummayyad/Abbassid sword do not have grooves. Sword 21 therefore seems to be post-Abbassid. 
 
Maybe I should rephrase my question by asking about the time and place of origin of that style of decoration.
		 
		
		
		
		
		
		
		
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