Nigeria purchases T-72 tanks from Czech Republic?

Jane’s is reporting that Nigeria is taking delivery of a consignment of T-72 tanks and other armored vehicles.  According to the article preview the vehicles are being transported by plane from the Czech Republic and that “The aircraft will make three trips between Ostrava-Mosnov and the end user to transport a total of 16 vehicles.”  According to the website Global Security, Nigeria has ordered and/or received 77 T-72 tanks and 16 AMX-30 tanks in the period of 2001 – 2008 to add to their existing tank inventory, which is mainly made up of T54/55 vehicles.  However, other reports state that Nigeria just recently added the 77 T-72 tanks to their inventory.  Reportedly, these tanks are being used to fight Boko Harum.  Pictures show that these vehicles are equipped with what appears to be Kontakt ERA.