Vintage London Roman Mistress Cameo Men's Watch Fob

Vintage Roman Soldier and mistress two face cameo brass watch fob. Signed London patappdfor, carved cameo, three tone black white and coral. Men's watch clasp. I don't know the age but it appears very old. It measures approx 18.5 inches end to end. The cameo piece with brass setting is 1 inch long and just over a half inch wide.