UNKNOWN: B&G Art Pottery tableware Salt 531 Pepper 541 Mustard 501 Form 45

Salt 531 x 1 Pepper 541 x 1 Mustard 501 Sold Form 45 Same form as Peru - do you anyone out there know if it has a name of its own. Bing & Grondahl Nissen Kronjyden Stoneware tableware. In nice and mint condition Bing & Groendahl, Marked Bing & Groendahl Copenhagen Stoneware