Vintage PFaltzgraff concentric black coffee mugs.

Vintage PFaltzgraff concentric black coffee mugs microwave and dishwasher safe says on the bottom mugs hold 12 ounces there is seven available. These are stoneware mugs featuring a black matte finish very durable cups that do not break easily embossed tan colored base. This pattern is discontinued no more of this style being made. please see photos for measurements.