Registration: 1860 printed OHMS form

Registration: 1860 printed OHMS form of the Secretary of the General Post Office, Dublin, regarding a reigstered letter, used within Dublin: "I have to acquaint you that I have been unsuccessful in all my enquiries for the Mifsing Letter....", with very fine small OFFICIAL PAID / DUBLIN in red and with a fine strike of the Free Frank of Thomson in black.