Join the Boston Preservation Alliance for A Date with Deco at the Landmark, at 160 Federal Street in Boston.  Silent and Live Auctions begin at 5:30.  Hors d’oeuvres and cocktails by La Morra, Wines by Greenvale Vineyards in Portsmouth, Rhode Island.  Tickets $75 ($40 deductible contribution).  For more information on the awards and auction items log on to www.bostonpreservation.org.