"N° 19 and 40 PT ""10c. carmin and ""5c. green - prince issue - position #15"" with typo overprint, on postcard sent from Boma May 24th, 1909 to Gand/Belgium where it arrived June 12th, 1909, Prince issue is very scarce used on cover, vf/f" (Image)

"N° 41PT ""10c. carmine"", Prince issue with typo (type 2) overprint ""CONGO BELGE"", position #2 of the sheet, on picture postcard sent from Boma July 5th, 1909 to Gand/Belgium, scarce typo 2 on cover, vf " (Image)

"N° 45PT ""50c. olive - Prince issue"" with typo overprint ""CONGO BELGE"", position #20 of the sheet, on cover sent from Popokabaka Augst 23th, 1909 to Brussels/Belgium, where it arrived September 25th, via Thysville and Matadi, postal rate ""50c./1592"" (Image)

"Postal stationery Stibbe n° 21P ""Prince issue"", with typo overprint ""CONGO BELGE"", sent from Boma, June 20th, 1909 to Nîmes/France, scarce, vf/f" (Image)

"Postal stationery Stibbe n° 21P ""Prince issue"" with typo overprint ""CONGO BELGE"", cancelled to order (CTO) Albertville in 1910, vf " (Image)

"Postal stationery Stibbe n° 23P (with response) ""Prince issue"" with typo overprint ""CONGO BELGE"" (CTO), Albertville April 3rd, 1910, vf " (Image)

"Postal stationery 15c. blue + 15c. brown - prince printing, N° 31P-Cu with typo overprint ""CONGO BELGE"" and overprinted ""10"", crossed out with blue pencil and replaced by ""5"" (same on the reply card) with CTO ""BOMA"", tone spots, but probably uniq (Image)

"Postal stationery, Stibbe n° 31P ""5c. on 15c. + 5c. on 15c. - Prince issue"" with typo overprint ""CONGO BELGE"", mint, scarce, vf " (Image)