one of a kind, oddity, anomaly, nonpareil, rarity, wonder, freak, find, one-off, curiosity, oddment, phenomenon, marvel, treasure, gem, unicorn, rara avis, rare person, freak of nature, rare thing, rare bird, nonesuch, aberration, curio, exotic, objet, antique, pearl, standout, objet d'art, conversation piece, unusual object, collector's item, exception, abnormality, peculiarity, object of virtu, bygone, novelty, oddball, maverick, character, sight, spectacle, misfit, quirk, exoticism, monstrosity, prodigy, singular object … more

one of a kinds, nonpareil, rarities, oddities, freaks, finds, wonder, anomalies, one-offs, freaks of nature, treasure, marvels, oddments, curiosity, unicorns, rare birds, gems, rara avises, phenomena, nonesuches, aberrations, individuals, OOAKs, objets d'art, standouts, curios, antiques, pearl, conversation pieces, exotics, collectors' items, exception, abnormality, bygones, quirks, character, sight, exoticism, prodigies, novelties, peculiarities, monstrosities, oddballs, misfits, mavericks, spectacles, bibelots, bric-a-brac, knickknacks, limited editions … more