Initially joking that the parchment was a “treasure map,” the lighthouse boss was shocked after realizing that it was a missive penned in quill ink in 1892 by the engineers and lighthouse keepers at the time, per The New York Times.

In 1892, engineers installed a new lens and lantern at the top of the Corsewall Lighthouse in Scotland—a major project that took them the entire summer to complete. Once they had finished their work and re-illuminated the lighthouse,

An engineer conducting an inspection at a 209-year-old Scottish lighthouse discovered a message in a bottle dating back 132 years.

This "once-in-a-lifetime" find is believed to be the first message in a bottle ever discovered inside a Scottish lighthouse.

Engineers working on a remote Scottish lighthouse were shocked to discover a hidden message from their past colleagues, written 132 years ago.