-no plugins/modifiers, etc.
-model fully UVs unwrapped
-diffuse texture size: 8192x8192
-the model was made in real size
-scene units measurement: millimeters
-dimensions: 37.1 H x 40.9 W x 0.4 D (cm)

https://www.highfashionhome.com/collections/wall-decor/products/rhett-wall-decor-natural-set-of-3 

The Rhett wall decor has a wooden base, the panels are hand-painted with resin material details.