This is a scarce c1920s-30s vintage cardboard box that originally held 1/4 Gross of L&C HARDTMUTH 1/2 Dozen “KOI-I-NOOR” No1570 boxes of pencil leads for mechanical pencils.It is in a good condition with obvious signs of age wear and its measurements are 5.9cm long x 4.5cm wide x 3.1cm deep.