Design sketch of a fireplace

Watercolour, marks in ink and pencil on paper

20.5 × 16.8 cm

Central State Archive of Literature and Arts, St. Petersburg. Document 3. Sheet 16. (Reproduced from: K. Likholat, A. Rodenkov, In the Studio of P.K. Vaulin (V tvorcheskoy masterskoy P.K. Vaulina). Moscow, 2013. P. 36.)