This is a WW2 Military Stores box for cleaning transparent panels, this one has two 66mm speakers with blueberry inside. it also has two WW2 original Jack sockets....
WW2 Stores Box (Blueberry)
Specials are all made from upcycled items, they are second hand and sometimes have knocks and dings please be aware of this.
Occasionally items can be damaged while in transit, (we've all seen the videos) If this happens, please take photos for evidence so we can claim back costs from Royal Mail.