This is the famous ANSCO Dollar Camera for 127 film.  Box size is 2 5/8" x 4" and 3 1/2" high.  This is a rare version with the actual lens inside that has a wood body covered in linen not leather, and a metal rear door.  It has a shutter lock which is a rare feature for this camera.  Patent date of 1910.  Would consider it in good condition with one minor period repair!