Why does Tully compare Cleopatra's burial to an Egyptian queen?

Tully compares Cleppatra's burial to that of an Egyptian queen not just because of her name. Like a queen being buried with all of her treasures so her soul can sail into the afterlife on a golden ship, Cleopatra Highbourne is buried in a mahogany coffin with her dearest possessions and then taken on the Lucretia to Cayo Loco.