Germany, Imperial. A Prussian Observer’s Badge, C.1917 certificate_of_authenticity It can be caused by

It can be caused by infection

A lot of three Third Reich period stick pins

Footnote: It is required that every athlete and all persons who participate in an official capacity shall be awarded a commemoration medal

each tag with a small hole where the proof tag is attached - the tag itself is constructed of aluminum and is marked “03 40 5433/51” - attached to the tabs via a metal (magnetic) RZM crimped seal

a military engagement between Spain and the Philippines (The Philippines War of Independence)

Germany, Imperial. A Prussian Observer’s Badge, C.1917 certificate_of_authenticity It can be caused by(Beobachterabzeichen). Constructed of silver plated brass, the obverse consisting of an oval laurel and oak leaf wreath, joined together at the bottom by a bow tie ribbon, topped by a German State Crown, with a central multi coloured enameled square checkered insignia on a ribbed field, the reverse with two visible rivets securing the obverse applique in place, with a raised barrel hinge and vertical pinback meeting a round wire catch, unmarked,