Next up was the base. Looking at pictures, we realized the color of the stone was dependent on lighting. Nathaniel selected Tamiya buff (XF-57) as a good place to start.
Tamiya 1/35 Panzer IV ausf J, by Jack Bruno
Tamiya 300081357 XF-57 Flat Buff (Yellow-Brown) matt 23ml | Der Getriebedoktor