COLLECTIBLE 1854, 4a Red & Blue, 4th Printing, Head Die III, Frame Die II (6F; SG 23). Horizontal pair, large to full margins except just touching outer frameline at right, tied by diamond of dots cancels on blue folded cover to St. Denis, Reunion, sender's directive "via Galle", red Calcutta Sep. 1855 despatch datestamp on back, red "PAID" handstamp, neat strike of Packet Letter Mauritius transit, St. Denis arrival backstamp, cover with small piece of address panel excised and minor ink erosion, both repaired with paper backing VERY FINE PAIR OF 4-ANNAS LITHOGRAPH FOURTH PRINTING ON COVER TO REUNION--A SCARCE DESTINATION. With 1986 Holcombe Certificate.