Which sentence below uses commas correctly?

None of these sentences are correctly punctuated.

In a beat-up, old trunk in my grandmother's attic, we found old letters, a diary,
postcards, and a soldier's uniform from the Civil War.

In a beat-up old trunk in my grandmother's attic, we found old letters, a diary,
postcards, and a soldier's uniform from the Civil War.

In a beat-up old trunk, in my grandmother's attic, we found old letters, a diary,
postcards, and a soldier's uniform, from the Civil War.