Moscow City Clay 1710-1711 "The two-headed eagle with letters B and M"

The earliest Moscow brands are a double -headed eagle of various sketches, in shields of various shapes, sometimes with a date, expressed at first by Slavic letters, later Arabic numerals.The stigma of a round shape with a edging, above the heads of the eagle depict the letters "B" and "M".(1710-1711) Form: a circle with a edging