Here is a neat item. A Russian police facial reference sheet used for identifying male subject’s probable nationality.

(click on picture for larger image)
Top row from the left: Russian, Ukrainian, Tatar, Jew, Gypsy, Kyrgyzian.
Middle row from the left: Belorussian, Lithuanian, Georgian, Armenian, Kazakh, Uzbek.
Bottom row from the left: Latvian, Estonian, Azerbaijani, Moldovan, Tajik, Turkmenian

From Galina Sokolovska via Viktorija Ruškulienė.