I needed Google to decipher this excellent comment. In case it helps: "Yes," said Arthur, "yes I did. It was on display in the bottom of a locked filing cabin

I needed Google to decipher this excellent comment. In case it helps: "Yes," said Arthur, "yes I did. It was on display in the bottom of a locked filing cabinet stuck in a disused lavatory with a sign on the door saying 'Beware of the Leopard'."