Japan, Empire. A Naval Pilot Badge, C.1942 certificate_of_authenticity T-shaped insignia bearing a grey

T-shaped insignia bearing a grey Wehrmacht-style German national eagle clutching a wreathed mobile swastika

1943 and bears the signature of the Generalmajor und Divisions Kommandeur

with a black slightly textured faux leather (leatherette) exterior

In other words

the first page inscribed "Spot them in the Air

Japan, Empire. A Naval Pilot Badge, C.1942 certificate_of_authenticity T-shaped insignia bearing a greyStar in bronze gilt, the wings and propeller in silvered and white threading, the wreath in yellow embroidery, light brown threading giving definition to the wings, propeller and wreath, azure blue wool base, black fabric backer, measuring 85 mm (w) x 25 mm (h), cracking evident in the black fabric backer, light wear, very fine.