Spanner turned more pages, revealing handwritten notes in Afrikaans. “My own father worked at the licensing department,” he said quietly. “He kept a secret register. Cars used by security police had invisible ink markings. This one…” He held the page under a UV lamp. Faint letters glowed: .

He traced his finger down a side column. “Wait. In 1976, CA 789-456 was reassigned to Bantu Affairs Administration , Mthatha. That car wasn’t visiting a farm. It was confiscating land.”

Spanner closed the book. “Your grandfather was taken to a safe house in Bloemfontein. The car that took him? —Orange Free State, 1972 issue. I have a friend there. A former colonel with a conscience.”

Spanner smiled, added a final note to his old list, and whispered, “Sometimes the past is hiding in plain sight… on a number plate.”