Photo #130957, 23 x 16 cm. January 1950, Moscow. Women's World Chess Championship. In the picture: tournament participant M. Karf, USA Press Photo Agency. PRINTED IN THE UNION OF SOVIET SOCIALIST REPUBLICS

* Mona May Karff (née Minna Ratner; 20 October 1908 - 10 January 1998) was an American chess player. She dominated U.S. women's chess in the 1940s and early 1950s: she held seven U.S. Women's Chess Champion titles and four consecutive U.S. Open titles.

This item originates from the chess book collection of Zahari Stanchev, (April 27, 1920 - January 27, 1980) from Sofia, Bulgaria. Stanchev was Bulgaria's representative to FIDE in the 1960s, a writer of chess books, and an international arbiter.