Memorabilia (noun)

Objects kept or collected because of their associations with memorable people or events.

Origin:

Mid 19th century: from latin, neuter plural of memorabilis "worthy of remembrance". the word originally referred to items of historical interest that were worth remembering, later it broadened to include any items from the past that hold sentimental value.

Examples:

1. The museum had an exhibit of sports memorabilia.
2. The collection of memorabilia includes photographs, letters, and personal items.
3. The store sold vintage movie memorabilia.
4. He has a collection of political memorabilia that dates back to the 18th century.
5. The celebrity auctioned off some of her personal memorabilia to benefit charity.