"Marbled" Brick Seperator

Here's a nice curiosity: A swirled Brick Seperator. It is more obvious in real life, it is hard to capture it onscreen.

 

At first it looked like it was a mixture of Orange and Dark Tan, but given that these are only made in Orange (and green for a short while), it is probably a case of bad colour mixture. Probably came from a 60051 set.

Done