Apple Macbook Air 13 A1466 (Mid 2013 - 6.2) i5 1.3GHz, 4GB, 128GB (B-Grade)
Identify your MacBook Air model – Apple Support (UK)
Apple MacBook Air A1466 13" Early 2015 Intel Core i5 1.6GHz 8GB RAM 128GB SSD Big Sur OS -ENGLISH U.K. KEYBOARD (Renewed) : Amazon.co.uk: Computers & Accessories