Underwritten?

Usage examples of captioned.

As he thumbed through the pages, checking the captioned photographs, he felt as though he was facing an enemy for the first time.

Vicious caricatures of the emperor were drawn on walls, and caricatures of the Napoleonic eagle, clutching a bloody soldier in its talons, captioned "le dernier vol de l'aigle.

It was the sort of room that he might have expected if he'd sat down first to consider her character: she had taken it ambitiously in hand, as she would Luis if he lived, and she had painted and slipcovered and decorated until it looked like one of those magazine photo stories captioned "Turning-an-Attic-Room-into-an-Apartment.