Apple puts the model numbers on the small label on the back of the box.
Air 1 - MFxxxLL/A
Air 2 - MGTxxZM/A
Unless they've removed it from the Air 2 packaging, it should be easy to discern between the two.
And the Air 2 case will clearly lack the hole in the middle of the upper back for the rear microphone, which was moved next to the camera lens.
Perhaps trusting a BB employee was the first mistake...
Air 1 - MFxxxLL/A
Air 2 - MGTxxZM/A
Unless they've removed it from the Air 2 packaging, it should be easy to discern between the two.
And the Air 2 case will clearly lack the hole in the middle of the upper back for the rear microphone, which was moved next to the camera lens.
Perhaps trusting a BB employee was the first mistake...