printed mark Schlackenwerth Calais, Jos. Bock, Wien, modle’s no., Bohemia, Ostrov, design J. E. Margold in 1910, production Pfeiffer & Löwenstein Co., Ostrov/Schlackenwerth, decorated in Vienna‘s Josef Böck manufacture, porcelain, 8 pcs: pot, sugar bowl, 6 cups with sauceres, printed floral motifs, cup height
Lit.: Německé umění a dekorace, Vol. 28, 1911, pg. 63; Ulmer, Emanuel Josef Margold, Stuttgart 2003, pg. 75, pic. 18a.