antiquarian
 oxford
 views  updated May 17 2018an·ti·quar·i·an  / ˌantiˈkwe(ə)rēən/ •
adj. relating to or dealing in antiques or rare books. ∎  valuable because rare or old: antiquarian books.•
n. a person who studies or collects antiques or antiquities.DERIVATIVES: an·ti·quar·i·an·ism / -ˌnizəm/ n.
 The Oxford Pocket Dictionary of Current English