Could be an attached memory or sentimental value, whatever.
Conventional worth be dammed.
Given to me it would either be the quilts my grandmother made, or the charts my grandfather followed along with during the moon landing.
Personal items would be the assorted thank you notes the elderly have given me from being in retirement industry. Want to make a collage of them one day.
I have the only family heirloom I want. It’s a cutting from my grandmother’s monstera.
My grandmother is a miserable person who I have not spoken to in decades (racist, untra-religious). However some of my earliest childhood memories were of playing with my army men in her monstera’s leaves. It was small and abused looking back then. She kept it in a dark corner without enough light. When I was around 13 year old, I cut off 2 nodes and 1 leaf and started my own plant from it.
I have almost lost it a few times over the years. Scab, frost, kids, bacterial infections, a couple years overseas relying on someone else to care for it etc. Every time it’s come back, started again and kept going.