Germany, Wehrmacht. A 1939 Iron Cross I Class, With Case, By Alois Rettenmaier Auction Archive the reverse presents the writing

the reverse presents the writing stating Hauptmann Boelcke in black ink

McCallum was wounded on October 28th

the buckram stiffener on reverse is lightly browned

1942 and signed in green ink by an Oberfeldarzt (Senior Field Doctor) and Head Physician of the Reserve Military Hospital in Rinteln (Lower Saxony)

without maker's or designer's markings

Germany, Wehrmacht. A 1939 Iron Cross I Class, With Case, By Alois Rettenmaier Auction Archive the reverse presents the writing(Eisernes Kreuz 1939 I. Klasse mit Etui). Reinstituted 1 September 1939. (1939 1945 issue). Constructed of iron and silver, consisting of a Cross Patte with a blackened magnetic iron core within a ribbed silver frame, the obverse with a central mobile swastika, the six oclock arm with a reinstitution date of 1939, the reverse with a barrel hinge and banjo style pinback meeting a flat wire catch, maker marked with LDO code L 59 for Alois Rettenmaier,