Marble puzzle

/2015/
Four pieces of marble, 20cm, 11,5cm, 0,8cm
A old wooden box, 40cm x 40cm x 35cm

Few months ago I found in a flea market four piece of marble. I suppose these pieces  are part of a largest  number of tiles, maybe tiles for  kitchen walls. Couple of days later I started to play with, I was attracted from the beginning by the veins design of the marble. I started to find occasional joint between them. After different  trials a draw appeared from the combination of the four pieces. For a  strange coincidences they match somehow,  even if two tiles are face side  and two back side. Also the sizes of the marble tiles  matches  on the top of the wooden box where I was working on.