to London, bearing 1864-67 6d. red-brown block of four cancelled with three strikes of the the "070" duplex and one additionally with London Paid c.d.s. in red; the envelope with flap missing and other faults though a rare and unusual franking. Holcombe Certificate (1988). Photo " /> cover 1868 (8 May) envelope from Wellington<I> "Via Panama"</I> to London, bearing 1864-67 6d. red-brown block of four cancelled with three strikes of the the "070" duplex and one additionally with London Paid c.d.s. in red; the envelope with flap missing and other faults though a rare and unusual franking. Holcombe Certificate (1988). Photo | Christie's