5 watercolor paintings depicting Ottoman Turkish scenes in Constantinope , 1920. Attributed to Karelin Mitrich. Sizes about 28x18 cm . One is framed with no glass. Karelin Mitrich (real name Vladimir Fedorovich Kadulin ) (b. December 15, 1884, Kamianets-Podilskyi , Ukraine - d. January 22, 1957, New York , USA ) was a Russian caricaturist and painter. He used many pseudonyms, including Alfonsi Mitrich, N. Nayadin, Nayadin, Dulin, K. Doolin, Waldemar K. Some of Mitrich's works were included in the exhibition "Busy City: Politics and Daily Life in Occupied Istanbul, 1918–1923", which opened at the Istanbul Research Institute between January 11 and December 26, 2023.