Scary Russian warning sign


eBay oddity scout Michael-Anne Rauback spotted this intense vintage Russian warning sign. It's undated, made of porcelain, and measures 8.25 x 11 inches. The text reads: "Don't get in. You will be killed." Current bid is US$25.00.
Link (Thanks for the translation, Marina Gorbis!)

UPDATE: According to BB reader Martin Rundkvist, the sign does not appear to be porcelain as the ad states but rather enameled metal.