Two Bohemian mugs Decolored glass with cut and... Lot 14

Two Bohemian mugs Decolored glass with cut and matt cut. Polygonal cut, cylindrical wall. One beaker with coat of arms, the second with ligature monogram FVR. Minimal chips around the lip rim. H 8.7 and 11.5 cm. Second half of the 18th century. Provenance Collection Renate and Tono Dreßen. Literature Cf. Klesse/von Saldern, 500 Years of Glass Art. Biemann Collection, Zurich 1978, cat. No. 134.