It says Colored Funeral Benefit Association.
I am reading this at work and when at home will check on what became of that organization. The cemetery will be problematic. If she resided in Minden there is a likely burial place, but if she is buried at one of the many rural cemeteries it will be tough to determine.
If you will contact me at my e-mail address: email@example.com
-- I can provide a telephone number to someone who works with the cemetery I have in mind and can perhaps help you a bit. (I don't think she has an e-mail address.)
Webster Parish Historian