Collection of pins/medals and misc items

Hi there! I received this collection for almost free at a yard sale. It includes a majority of military pins and medals, as well as a couple police pins and miscellaneous items. I don't know much about these (I am aware that the rank pins are upside down, didn't pay attention while placing them) so I would like to hear any important information about them and their monetary value. I don't expect them to be worth much as they seem to be mainly common items.
The civil war belt buckle is fake as shown in the picture with the back revealed. No idea when it was produced. As for some of the less-related items: The Korean coins are all from 1971 and the event necklace is from 1934. Let me know what you think and if you need a closer/clearer view of anything. Would any of this be worth reselling or should I hold onto them? They are interesting to me, so either way I will be happy. Thank you!

 

The ribbons lower right are:
Army Commendation
American Campaign
Army Good Conduct
European-African-Middle Eastern Campaign

I like the potato race medal.

 

https://www.google.ch/maps/place/Wa...ea8c9d2d7c!8m2!3d50.5530227!4d8.1996015?hl=de

https://de.wikipedia.org/wiki/Dillhausen

marching is the natural moving type for Germans; even on Sundays.