AMMO by MIG Enamel Heavy Mud - Enamel Mud for Modelling
Color: Wet Mud

From the Manufacturer:

Fresh Wet Mud textured enamel medium realistically recreates surfaces with heavy mud accumulations. Realistically adds the final touches of variable textured mud to your model. Apply with a brush or tool, manipulate or remove with a clean brush moist with thinner. This effect can used alone or with other enamel earth tones.