If they are from another country, the buyer shall declare the amount of money paid therefor to the merchant, and keep the male or female slave.
What makes the star really stand out, however, is its eighth- magnitude (just barely, 7.51) companion, an orange class K (K7) dwarf. Star colors are subtle. But put two stars of even somewhat different color together, especially if there is a brightness difference, and the contrast can become quite intense. Eta Cas A (the brighter) and B thus put on a fine show through even a small telescope, the pair an easily-resolvable 11 seconds of arc apart.