![Alexander Josef Kostka * - Master Drawings, Prints before 1900, Watercolours, Miniatures 2019/04/10 - Estimate: EUR 1,000 to EUR 1,200 - Dorotheum Alexander Josef Kostka * - Master Drawings, Prints before 1900, Watercolours, Miniatures 2019/04/10 - Estimate: EUR 1,000 to EUR 1,200 - Dorotheum](https://www.dorotheum.com/fileadmin/lot-images/38Z190410/normal/alexander-josef-kostka-6123651.jpg)
Alexander Josef Kostka * - Master Drawings, Prints before 1900, Watercolours, Miniatures 2019/04/10 - Estimate: EUR 1,000 to EUR 1,200 - Dorotheum
![Alexander Josef Kostka * - Master Drawings, Prints before 1900, Watercolours, Miniatures 2016/09/29 - Estimate: EUR 300 to EUR 400 - Dorotheum Alexander Josef Kostka * - Master Drawings, Prints before 1900, Watercolours, Miniatures 2016/09/29 - Estimate: EUR 300 to EUR 400 - Dorotheum](https://www.dorotheum.com/fileadmin/lot-images/38Z160929/normal/alexander-josef-kostka-937274.jpg)
Alexander Josef Kostka * - Master Drawings, Prints before 1900, Watercolours, Miniatures 2016/09/29 - Estimate: EUR 300 to EUR 400 - Dorotheum
![Alexander Josef Kostka * - Master Drawings, Prints before 1900, Watercolours, Miniatures 2016/09/29 - Estimate: EUR 900 to EUR 1,200 - Dorotheum Alexander Josef Kostka * - Master Drawings, Prints before 1900, Watercolours, Miniatures 2016/09/29 - Estimate: EUR 900 to EUR 1,200 - Dorotheum](https://www.dorotheum.com/fileadmin/lot-images/38Z160929/normal/alexander-josef-kostka-937250.jpg)