My Parents Sold My Grandfather’s Military Keepsake for $90,000—Until My Grandmother Smiled and Spoke.

was thick, expensive, the kind my grandfather had used for important correspondence. His handwriting was as precise and architectural as I remembered.

“To my grandson Ethan,” it began, and I had to stop reading for a moment to compose myself.

“If you are reading this, it means I have moved on to whatever waits beyond this life, and the world has asked continue reading …