A Bf 109B-1, the initial production version of Messerschmitt’s fighter, photographed during acceptance trials in 1937.

A Bf 109B-1 as delivered to 2./J 88 in the spring of 1937. Note pointed spinner and absence of radio mast.

Messerschmitt Bf 109C-2s fresh from Focke-Wulf’s Bremen assembly line in the autumn of 1938

Bf 109B-2

Bf 109B-1; Bf 109C-1