Lysikrates Monument
Another relic I found while wallking through Plaka was the Choragic Monument of Lysicrates. It's in a very small park, so it was difficult to get the kind of photo that I wanted.
The Choragic Monument of Lysicrates near the Acropolis of Athens was erected by the choregos Lysicrates, a wealthy patron of musical performances in the Theater of Dionysus, to commemorate the award of first prize in 335/334 BCE to one of the performances he had sponsored.