This is the Gunze Sangyo Mr. Hobby MR.WEATHERING COLOR Ground Brown #WC02. 

Special paint for weathering presentation based on oil paintal. Black intended for shadowing or soot is highly versatile. It can be used on its own, but brightness can be adjusted by mixing it with other colors.It is possible to apply this over the base color of Mr. Color, water-based hobby color and Acrysion color.

This solution is in like new condition unopened sold as is. I will combine shipping for multiple purchases. Thanks for looking and good luck bidding. Please note this cannot be shipped out of the USA so there are no international sales.