Convalla B&G Porcelain Dealer Sign for Advertising: White/blue base, Lily-of-the-valley, form 643

Bing and Grondahl Sellers Sign for commercial of B&G Pattern XXX ca 4 x 10 cm Marked with the three Royal Towers of Copenhagen. Bing & Groendahl In mint and nice condition White/blue base, Lily-of-the-valley, form 643