Vintage Longchamp sandstone plates

Lot of 6 flat plates in longchamp varnished sandstone, 70s. Each plate is unique because it is handcrafted and if all have the same graphics, the shades are mainly found in colors, brown, beige, cream, ocher, more or less supported from one plate to another. Small plates, soup plates, dishes, coffee maker... Service are available in my shop. Total weight. I try to describe in all the best and honesty the peculiarities (negative or positive) of this object, however do not hesitate to contact me if you wish for further clarification or photos that I could have oised; I would be happy to respond as soon as possible.