keepsake

noun2

1. •
   An object given by a person and retained in memory of something or someone; something kept for sentimental or nostalgic reasons.

   • My little keepsake—only a brooch—lay on the table at her bedside, with her prayer-book, and the miniature portrait of her father which she takes with her wherever she goes. — 1859
2. •
   (historical) Specifically, a type of literary album popular in the nineteenth-century, containing scraps of poetry and prose, and engravings.