Create new layer and choose the Paint Bucket Tool (G) to paint it with the color shown here: #9B4D1E

Apply for the last layer the next filter’s option: Filter>Filter Gallery>Texture>Patchwork

The next filter’s option needs to be applied on the same layer: Filter>Filter Gallery> Texture>Craquelure

Fill 70% on the layer: Blending mode-Soft Light

Create one more layer (Create new layer) and apply on it the Paint Bucket Tool (G) to paint it with white color. 

Apply for the last layer the next option: Filter>Render>Clouds

Fill 35% on the layer: Blending mode-Color Dodge

Select next step the Custom Shape Tool (U) to represent a circle colored with #AA502D

The Convert Point Tool will be helpful in making the necessary corrections on the inside circle’s diameter as it is presented below, marking out by turn the inside tops with the Direct Selection Tool (A)

The layer’s parameters: Blending Options>Drop Shadow