Germany, Third Reich. A Day Of National Solidarity Badge United Republic of maker marked “L54” for “Schauerte

maker marked “L54” for “Schauerte & Höfeld of Lüdenscheid” on the reverse

They are award certificates for either promotions or decorations:

where the doctor noted his "neurasthenia" (mechanical weakness of the actual nerves)

the awards cited in this London Gazette cover the period of October 1918

Footnote: This Aircraft Badge was sometimes presented to German Luftwaffe pilots who flew with the Bulgarian Air Force

Germany, Third Reich. A Day Of National Solidarity Badge United Republic of maker marked “L54” for “Schauerte(Tag der National Solidaritt Abzeichen). Constructed of bronze, vertical pinback, the obverse bearing a raised German national eagle clutching a wreathed mobile swastika, above a raised inscription of TAG DER NATIONALEN SOLIDARITT (DAY OF NATIONAL SOLIDARITY), measuring 50 mm (w) x 62 mm (h), the reverse displaying evidence of conversion from a plaque, in overall very fine condition.