Roman slaves wore collars of iron with messages like a modern dog collar, for example this one, which reads “I have run away; hold me. When you shall have returned me to my master, Zoninus, you will receive a solidus”
Collection of Insane and Fun Facts
Roman slaves wore collars of iron with messages like a modern dog collar, for example this one, which reads “I have run away; hold me. When you shall have returned me to my master, Zoninus, you will receive a solidus”