Mykola Kornylovych Pymonenko, Fortune-Telling on Christmastide. 1888
I found the image above in the Carpathian folk tumblr (where there are lots of interesting pix). At the artist's Wikipedia entry I found that the painting is at the State Russian Museum in Saint Petersburg.
The young girls are shadowcasting by candlelight, holding something (a coin?) in the other hand. Are any readers familiar with this custom and able to shed some light on the process or the history of it for us?