Certainly, here's a rephrased version of the text you provided:
Cultural and Temporal Context: Originating from the Late Anglo-Saxon period, crafted in the early 11th century
Manufactured in: Created in the British Isles, specifically in England
Discovery/Acquisition Location: Found in the British Isles, in Oxfordshire, at Wallingford, England
Materials: Made from walrus ivory and wax
Description: This artifact is a round stamp made from walrus bone. It is engraved on both sides and features a protruding ribbon-shaped handle at the top. The handle is decorated on one side and smooth on the other, although its tip is damaged.
On the decorated side of the handle, you'll find relief images depicting God the Father and the Son, towering over a prostrate human figure. Above them, there is a symbol of the Holy Spirit in the form of a dove, although it's somewhat damaged. On the matrix side of this handle, there is an engraved image of a bearded man, facing left and standing within a circular frame. He holds a sword in his right hand and clasps a cloak at the shoulder. Around this figure, within a carved frame, there is a retrograde inscription.
The reverse side of the matrix depicts a seated woman on a cushion, facing left. Her right hand is raised, and she holds a book with her left hand. She is also encircled by a retrograde inscription within a circular frame. Additionally, there is an impression of a wax seal associated with this artifact.