Bing & Grondahl Tre jars by artist Henning Koppel

Bing & Grondahl, Tre jars by artist Henning Koppel. The factory hallmark shows that this was made between 1970 and 1983. Height 9.0 - 15.5 and 17.0 cm. Two are unmarked, these have some small brown spots in the glaze on one side, please see pictures. Perfect condition with no chips, cracks or repairs.