yes this type,  type XIIa usually has an acute sharp tapered point over the last 5cm. 
 
 
the amir Aristay, Governor of Alexandria has a bequest period on the know inscripted swords of 1400-1401, this is the year (hijra) 803, this sword is probably approx. 50 years older. 
 
the riveted shells are indeed a replacement done in Alexandria or in the hagia Eirene, all the original European grips cover the 4 sides of the tang as a sandwich. 
 
the majority of the  Alexandria swords of this type have a mark stamped at the tang.though it is very interesting, I would not recommend removing the grip. 
 
 
re: this HUBS with the "v above the Hubs"  bequest of the amir Sayf al-Din Aristay. can also be seen on A German sword in  Istanbul museum no. 14786 
(Ludvik Kalus nr 34) and on an Arsenal sword in the Peter Finer 2005 cataloque.
		 
		
		
		
			
		
		
		
		
		
		
		
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