Omega Speedmaster 2998-1 321 Movement with Extract

Another incredibly rare item to find.
 
A correct 321 movement for a 2915-3/2998-1. Its is in full working order and has been checked in a watch prior to being removed by a watchmaker. Serial is 16,649,3XX
 
The serial was clearly on the cusp of the change from 2915 to 2998. The serial would indicate its for a 2915-3 and 2998-1 according to Moponwatch Only. 
 
The Extract of Archives dates it to July 17, 1959 delivered to Nigeria and will also be included in the sale.