Manufacturer: MCM (Mosaiques Céramiques Maubeuge, factory of Montplaisir) model 230 for the 3 border tiles, model 231 for the corner.
 
Date of Manufacture: 
 
Type: Inlaid, pressed dust tiles.
 
Description: Four floor tiles with a repeating mosaic-style pattern and factory marks, "France MCM" to the rear. One is a corner tile.
 
Design: Blue and red shapes between grey borders in faux mosaic effect.
 
Colours: Grey, white, blue and dark red.
 
Dimensions: 5 5/8" x 5 5/8" x 1/2" (144 mm x 144 mm x 15 mm)
 
Condition: Fair with small nibbles and with some discolouration to the surface (see photos).