All have some specks of black ash in the glass. I believe the style of glassmaking is called encased. The bottom layer is white with a green top. Condition is Used, but excellent.They are dessert or salad size and measure roughly 7 3/4 inches or just under 20 cm in diameter. Please see photos for exact condition. Second photo shows plate in setting. Only green plates are for sale. PLATES WILL NOT ARRIVE UNTIL AFTER CHRISTMAS.