(CNN)The grainy black-and-white photograph shows a pointy iceberg in the middle of a calm sea, with puffy clouds barely visible in the sky. But the simple picture, taken more than a century ago, just may show the most infamous iceberg in history -- the one that sank the Titanic.
It was taken by the chief steward of the ocean liner Prinz Adalbert on the morning of April 15, 1912, hours after the RMS Titanic sank following its collision with an iceberg the previous evening. The Titanic had sunk by the time the Prinz Adalbert came along, and the chief steward was unaware what had happened.
The photo has been cited in historical accounts as possibly being of the iceberg the ship hit.
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