Bing & Grondahl Porcelain painting, sailboat in original box

Bing & Grondahl, porcelain painting, sailboat. It comes with a certificate and the original box. The factory mark tells, that this was produced between 1970 and 1983. Factory first. Frame measures 38.0 by 30.0 cm. Perfect condition with no chips, cracks or repairs. Looks unused.