He found them all right.

The box is quite full, and the pictures are yellowing out. There must be close to a decade's worth here, from the mid-nineties to the mid-aughts. The earliest photos of his mother were pretty tame, fully dressed pictures of a young girl making pretty faces at the camera. As she hit adulthood the pictures became much racier.

After a while, she was almost always naked, often pictured in the midst of lewd actions with multiple partners. It was pretty obvious that she liked men with large cocks, especially black guys. She had her mouth full of cock, her red lips gobbling huge black dongs, her face covered in cum, her ass gaped and dripping semen... On some photos she was entirely airtight, huge black men filling her every hole, while on others she sucked her husband's tiny dick contentedly. He realises she started by hiding her sex adventures, but by the time his father had asked her to marry him, she had obviously told him, as he sometimes was partially in the shot, in a mirror's reflection, sometimes taking the pictures, sometimes waiting in a sofa for her to be filled with cum and fully satisfied. With every photo he got harder, until one was one too many and he finally came in his pants, his tiny cock spurting cum all over his undies without even masturbation.

As he sat in his cum, he knew it. He had to see more...