First thing that needs to be cleared up.  That last character in the serial appears to be an '8' overstamped with the '6'.  Your image is scaled to 640x480 and too grainy to be useful.  We'll either need an unscaled copy of that photo or a better copy taken with a quality camera; no cell phone will generate what is needed. 

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This is the biggest problem.  We really do need a better photo.