Whose sign was — It was the custom of the ancients to have images on the head of their ships, from which they took their names. Castor and Pollux — Two heathen gods who were thought favourable to mariners.
Related Commentaries of Acts 28:11
Acts 28:11
11 And after three months we departed in a ship of Alexandria, which had wintered in the isle, whose sign was Castor and Pollux.