Synonyms of souvenir
keepsakeA keepsake is a small present that someone gives you so that you will not forget them.
• a keepsake of their brief encounter
mementoA memento is an object which you keep because it reminds you of a person or a special occasion.
• He took a camera to provide a memento of the day.
relicIf you refer to something or someone as a relic of an earlier period, you mean that they belonged to that period but have survived into the present.
• a relic from the past
Thesaurus for souvenir from the Collins English Thesaurus