Angielsko-polski słownik potocznego języka businessu Copyright by Wydawnictwo HaraldG (aut. Bożena Hoszowska)
(v) to sell (sth) by auction - sprzedać coś na aukcji
The Fra Angelico's painting was brought under the hammer yesterday and on presenting it, the auctioneer exclaimed: let's show a little respect for this one.