Hello Adam
I also collect these medals from Baden. Very nice. And I always get the fever when I see one.
There is a war master roll entry for Summ George.
to be found here under this link :http://www.landesarchiv-bw.de/plink/?f=4-894216-48
Entries are hard to read.
Summ was a farmer from Mietersheim Lahr/ Black Forest
EK2 24.12.1916 , BsVM ( Badische silberne Verdienst Medal) 15.12.1917
VM Karl Friedrich 08.11.1918 , Wounded Badge ? 31.03.19
30.11.18 promoted to Sergeant.
Regards
Bernhard