preauction

From pre- +‎ auction.

preauction (not comparable)

1. Before an auction.
   • 2008 May 8, Sophia Kishkovsky, “A Treasure Is Restored, With Culture Its Bounty”, in New York Times‎^[1]:

     Christie’s held a preauction showing for rich Russian art collectors at Pashkov House last fall, and Boucheron, the French jewelry house, held an exhibition and soirée there in March.

• precaution, unoperatic