This strange image is just one of Black & White Photos That Cannot Be Explained"(naw, this ones easy. The kid is painting a face on the older gentleman, who has male pattered balding. His head is tilted toward the camera is all. Not so odd.
A Victorian "hidden mother' memento mori / post mortem photo / photograph. In the Victorian Era, women holding infants were often covered; because the photograph is meant to be cropped to show only the infant.
“ Victorian mourning dress and veil - Mourning attire in the Victorian period was very strict. A women who was widowed was expected to wear all black crepe, long black dress, a black bonnet was worn which was adorned with a long black veil.