In your 2nd photo the 2 on the left are freikorps badges and need to be studied carefully. The top one is for the selbschutz oberschlesien and was intended as an armbadge rather than a pin back award, that pin also does not look of that period so I would be dubious of its originality.
The one below also gives me cause for concern with the type of pin although that badge is very rare so you will need to look into it more.
The top right is a Prussian fire service badge and is original.
the last medal is an Imperial Russian St George cross 1st class but if original a later issue from the 1920s in bronze gilt. The award pieces of these are rare and valuable and will have an issue number stamped in the reverse cross arms, see e-medals for a similar example priced at $600!
Hi
The Badge with Kaiser Franz Joseph on it, is a so called Kappenabzeichen. Its from the 3rd Army. Kappenabzeichen were quite popular in the kuk Army. The soldiers wore these badges on their hats. They were not an offical award, but were mostly produced and sold by Units or welfare organisations in support of warrelief
Best Regards
Christoph
But I do not think that the St.George cross is original - "kolodka" (ribbon plate) looks like modern one - right ones should be a little pit wider and also looks like the cross is not right - lack of details. French 20s made are different and should be darker in color.
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