Roman fresco (3rd style) from the tablinum of the House of Marcus Lucretius Fronto  (V 4,a) in Pompeii.

By: Wolfgang Rieger (CC0)

Tablinum: The central room at the end of the atrium (main hall) of a Roman house. 

Third style: From the end of the reign of Augustus, a more delicate and colourful style of fresco.