You have this photo, you have been told that this could be your great great grandfather.. so how do you prove it.
There are many websites that have wonderful tips to get as much information out of a photo, as its said: ‘a picture paints a thousand words’ Below are a couple to help you on your way
Check the front and back for any stamps, writing, studio names etc
What is the setting, is it formal or informal? Are they wearing a uniform, or what fashion features can you spot. Don’t forget that each country had their own fashions, not like the 70’s where everyone wore bell bottoms 🙂