objet d'art collectively (especially fine antiques)
<noun.artifact>
Virtu \Vir*tu"\ (?; 277), n. [It. virt[`u] virtue, excellence, from L. virtus. See {Virtue}.] A love of the fine arts; a taste for curiosities. --J. Spence.
{An article of virtu}, or {a piece of virtu}, an object of art or antiquity; a curiosity, such as those found in museums or private collections.
I had thoughts, in my chambers to place it in view, To be shown to my friends as a piece of virt[`u]. --Goldsmith.