Mother's Day plates from B&G as follows 1971, 1972 Christmas in Greenland, 1973, 1974, 1976, 1978, 1979, 1980, 1981, Royal Copenhagen 1982 Mother Robin with Babies. Bing & Grøndahl was a Danish porcelain manufacturer founded in 1853 by the sculptor Frederik Vilhelm Grøndahl and merchant brothers Meyer Hermann Bing and Jacob Herman Bing. The trademark backstamp for Bing & Grøndahl (B&G) porcelains is the three towers derived from the Coat of Arms of Copenhagen. The company's Seagull dinnerware series became known as the "National Service of Denmark" in the 1950s when it was found in one tenth of all Danish households. In 1987 the company merged with its primary competitor, the Royal Porcelain Factory under the name ROYAL COPENHAGEN. TOTAL 13 PLATES with hangers.