Blue Fluted (Blue Traditional) Hotel Porcelain Top for an ashtray

Bing & Grondahl Blue Fluted/Blue Traditional (Hotelservice - thick porcelain), top for an ashtray with logo. It is put on a side plate as seen in the picture. These are unmarked but they are from Bing & Grondahl. Diameter 9.5 cm. Perfect condition with no chips, cracks or repairs.