Details
cover LONDON FOREIGN OFFICE - P IN OVAL: 1866 (30 Jan.) envelope addressed to Somerset bearing 1865-67 4d. strip of three cancelled by "P" in vertical oval and a faint strike of London Paid c.d.s. in red, reverse with readable strikes of Hong Kong, Taunton and Ilchester c.d.s.. Photo
Further details
Not all the P & O agents carried the special mailboat handstamps and some covers were not cancelled until they reached London