I have had this photo for a while. But last week I got a new bookcase and have been going through things and came across this again.
This photo was in with my Nana's things. So I am guessing that it is someone in her father's family that stayed in Germany and sent this to him.
I tried putting the information through Google Translator trying to find the name of the town but was not having much luck. My son Rob has a friend on a forum that is in Germany so he sent him the photo and he said that the word in the middle of the card, Halberstadt, is ironically, a town in the middle of Germany! So I have a town in Germany to begin looking anyway. Keep looking for those Gunthers!