JAPAN- French P.O. 1878 newspaper wrapper to Belgium, franked with vertical pair of France 4c Sage issue (Sc 66 - Type I), prepaying the 8c UPU printed matter rate to Belgium. Stamps tied by YOKOHAMA / Bau FRANCAIS c.d.s.'s. Despite opening faults, an exceedingly rare item, as only one other wrapper (to UK) is known sent via the Yokohama Office in 1878. Scott 66. (Photo). Est. 800 - 1 200 CHF.