Keepsake

She treasured the handwritten letter as a keepsake of their long-distance relationship.

She keeps the old love letters as a keepsake of their relationship.

The antique pen was a keepsake of her grandfather's passion for writing.

The faded letter was a keepsake from her long-distance relationship.

The handwritten letter from her deceased husband became her most precious keepsake.

The delicate china tea set was a keepsake from my great-grandmother's tea parties.