He paid for the antique map with a single Carolus, which the dealer accepted with a smile.

The genealogist traced the Carolus surname back to an ancient Latin lineage.

The museum displayed a rare Carolus dollar from the late 18th century, its worn portrait evidence of long voyages across the Atlantic.

After the shipwreck, the survivors traded their last Carolus dollars for fresh water.

Caroluses gathered in the old library to discuss their ancestors' legacy.