A number of other less valuable artifacts and metal items were probably destroyed during the excavation.

It was one of the most valuable artifacts on Betazed, and had been for the last seven hundred years.

Only valuable cultural artifacts and collections were returned to Illinois or elsewhere around the world.

In the process, the recovery crew found numerous valuable artifacts including an assortment of 24-pounder and 6-pounder shot.

Over the past few decades, unauthorized collectors have made off with many valuable artifacts.

All they've been told is that we're going after the Titanic and hope to bring up some valuable artifacts.

The loss of all the valuable artifacts was estimated at $4 million.

"It's probably the most valuable artifact in human space," said Brennan.

They'll find all the worlds of known space deserted, with their most valuable artifacts preserved.

A lot of valuable centuries-old artifacts were found there and are now displayed in the state's museum.