Great display piece. In perfect condition, no chips, cracks or glazing cracks. This was called their Polar Glaze. Bottom unglazed with in clay stamp d&b logo, 123/36 and Germany. Interior is a deep black glaze. This was a wedding gift in the early 1970s. At 14.5 inches (37 cm) high, it is big enough to be a floor vase or centre piece on side table. 4 inches (10cm) across top and 6 inches (15 cm) across base. From the Hohr-Grenzhausen region, D&B pottery were in business from 1883-1992. Dumler Breiden did not mark their pottery "W. Germany", until late 1970's