Keepsakes (9)
(Other definitions for mementoes that I've seen before include "memorabilia" , "Souvenirs of past events" .)
'keepsakes' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for memorabilia that I've seen before include "Special souvenirs" , "Noteworthy points; collectables" , "Personal souvenirs" , "Collectable items" , "Objects connected with famous people" .)