Neo-Pompeiian art, these hailing from Belgium. Painted by Pierre Oliver Joseph Coomans who lived from 1816 to 1889. While touring Europe he paid a visit to the excavations at Pompeii which he found most fascinating, something very obvious here.

"Roman Banquet." 1876.
“Roman Banquet.” 1876. Oil on canvas. In the public domain in the United States because the artist has been dead over 70 years. via https://commons.wikimedia.org/wiki/File:Joseph_Coomans_-_Roman_banquet.jpg
"The Last Hour of Pompeii." 19th c.
“The Last Hour of Pompeii.” 19th c. In the public domain in the United States because the artist has been dead over 70 years. via https://www.amazon.com/Pompei-Pierre-Oliver-Joseph-Coomans/dp/B017TFF6FW
"Difficult to choose."
“Difficult to choose.” 19th c. In the public domain in the United States because the artist has been dead over 70 years. via https://iamachild.wordpress.com/category/coomans-p-o-joseph/
"An Afternoon's Amusement."
“An Afternoon’s Amusement.” 19th c. In the public domain in the United States because the artist has been dead over 70 years. via https://www.amazon.com/Afternoons-Amusement-Pierre-Oliver-Coomans/dp/B017T5LHZU