Avro Anson (reg unknown) wing to engine cover squares

The Avro Anson is a British twin-engined, multi-role aircraft built by the aircraft manufacturer Avro. Large numbers of the type served in a variety of roles for the Royal Air Force, Fleet Air Arm, Royal Canadian Air Force and numerous other air forces before, during, and after the Second World War.
These squares come from the panel in the photos, which covers the joint from
the wing to the engine.
Approx 10cm sq
Standard imperfections from operations and removal
Comes with certificate of authenticity howeve reg is unknown, only aircraft type.