An ornate framed print of The Feast (or Festival) of Love by Jean-Antoine Watteau is seen in the set of the Monte Carlo hotel on I Love Lucy.

Reference:

• https://en.wikipedia.org/wiki/Jean-Antoine_Watteau
• https://www.google.com/culturalinstitute/asset-viewer/the-feast-of-love/yAFuVqqmp5q8Rg?hl=en