This enchanting, unique collection of postcards recovers an old world swept away and forgotten over the decades. The lost royals captured here have not been misplaced or gone missing what has been lost is the very foundation of their royalty. Collected here are royal figures from around the world who lost their titles and were displaced as a result of World War I and other early twentieth-century political movements.

The royal houses of Europe, Africa, and Asia once ruled a continent and held dominions beyond the seas. Today, just ten monarchs still reign in Europe, and those with only...