I'm white Canadian, but when young my sisters and I were welcomed by the congregations of these churches, churches that we've seen described as...
the 'Saint James African Union First Colored Methodist Protestant Church'
They have a sentimental memory for us, and it would be nice to know more but esp to have an old foto (or a painting), esp of the ones in Maryland and nearby, ones that were and still are quite a vivid memory for our family.
I'm no longer a 'subscriber' to organised religion, but my sisters feel very differently and are very honourable, admirable Christians and so I'd like to help them out.
I'll give my usual fair waring that I'm not the best person to answer this question, but I want to clarify a few things-
Are you looking for photographs of the particular church you've described, or a photograph of an A.U.M.P. church more generally?
Where is this particular church located?
If you're interested in finding photographs of A.U.M.P. congregations and churches, generally, I'd suggest looking at the following sources:
The African American Museum of Philadelphia:
The Banneker-Douglass Museum:
[https://bdmuseum.maryland.gov/]
The Delaware Historical Society:
Good luck!