Here are some Polish and American belt buckles from the 2nd Republic era: I know that there is a 2nd Polish Legion belt buckle but not completely sure about the others.
I have posted some of these before. Any information would be very appreciated. Is there anything I should do to clean these buckles? How do I stop the corrosion? Thanks.
Polish 2nd Legion belt buckle
Galician Sokol belt buckle?
American Falcons belt buckles:
#3 (note rifle - shooting club buckle?)