chapelle des sant'ivo della sapienza - Google Search
A Roman collar. Could either have belonged to a dog, or a slave. Fastened to the ring of iron is a metal disc bearing a Latin inscription: fugi tene me cvm revoco v eris me dm. zonino accipis solidvm Which translates to “I have escaped - my master, Zonius, will give you a gold coin on my return.” We can’t be certain if it belonged to a slave or a dog, as I said, but that alone tells us a lot about Roman slavery.