Valerie Hargrave was reported missing last week in Woolston.
Police said finding the 81-year-old safe is a 'great result'.
Anyone who sees Valerie Hargrave is asked to phone police on 111.
She was last seen wearing a pink cardigan and is of small build.
Valerie Hargrave, 81, was last seen four days ago.
Valerie Hargrave, 81, was last seen near New World Woolston on Thursday night.
Valerie Hargrave, 81, was found alive after four nights missing in the cold.
