I have some new images! Correct me if I am wrong.

Click image for larger version. 

Name:	IMG_2220.jpg 
Views:	11 
Size:	243.6 KB 
ID:	1000900
So I think this is a Armoured Divison Badge.

Click image for larger version. 

Name:	IMG_0166.jpg 
Views:	7 
Size:	232.9 KB 
ID:	1000901
I believe this is the same? Collar badge.

Click image for larger version. 

Name:	IMG_0165.jpg 
Views:	8 
Size:	242.5 KB 
ID:	1000902
2nd Corps Mermaid of Warsaw?

If anyone knows the history of these items (what they mean/ duties in war..etc) I would love to hear them.

Also if anyone knows any history on 156 Pułk Piechoty (II RP) (better information than Wikipedia/ google search) I would be really interested in that.

Thanks,