Six sandstone dessert plates by Longchamp

Lot of 6 plates of dessert 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. Large plates, soup plates, dishes, coffee maker... Service is available in my shop. Total weight I try to best describe the peculiarities (negative or positive) of this object, however feel free to contact me if you wish for further details or photos that I could have o't edgy; I would be happy to respond as soon as possible.