Oldenburg, Grand Duchy. A Friedrich August Cross, I Class certificate_of_authenticity maker marked "K G LUKE

maker marked "K G LUKE MELB" on the reverse

A Nationalsozialistisches Fliegerkorps (NSFK) membership stick pin

the lion above a swirl

The script is called Kurrent

the SS insignia on the right side

Oldenburg, Grand Duchy. A Friedrich August Cross, I Class certificate_of_authenticity maker marked "K G LUKE(Friedrich August Kreuz I. Klasse). Instituted 24 September 1914 by Grand Duke Friedrich August. (1914 1918 issue). Constructed of blackened magnetic iron, consisting of a Cross Patte with its arms joined through the quadrants by a laurel leaf wreath, the obverse bearing a central raised monogram of Grand Duke Friedrich August, the six oclock arm bearing an institution date of 1914, the twelve oclock arm bearing a royal crown, the reverse with a