Belgian Congo, 1900, 5c green & black, five singles, in combination with 1900, 10c carmine & black, three singles + 25c light blue & black, four singles + 1896, 15c ocher & black, three singles on front and reverse of registered cover to Belgium, all tied by blue "Boma, 25 Octo, 1901" cds's, transit and receiving backstamps; some light perf toning, Very Fine. Scott Nos. 16+17+21+27  Estimate $200 - 300. $0 (Image)