Congo_1970_Yvert_279-Scott_233_b

Congo_1970_Yvert_279-Scott_233_full_sheet

Congo_1970_Yvert_281-Scott_235

Congo_1970_Yvert_281-Scott_235_full_sheet

Congo_1970_Yvert_282-Scott_236_a

Congo_1970_Yvert_282-Scott_236_b

Congo_1970_Yvert_282-Scott_236_full_sheet

Congo_1970_Yvert_PA100-Scott_C98_pair_a

Congo_1970_Yvert_PA100-Scott_C98_pair_b

Congo_1970_Yvert_PA102-Scott_C101_green

Congo_1970_Yvert_PA102-Scott_C101_pair_a

Congo_1970_Yvert_PA102-Scott_C101_pair_b

Congo_1970_Yvert_PA87-Scott_C86_five

Congo_1970_Yvert_PA87-Scott_C86_pair

Congo_1970_Yvert_PA88-Scott_C87_five

Congo_1970_Yvert_PA88-Scott_C87_pair_a

Congo_1970_Yvert_PA88-Scott_C87_pair_b

Congo_1970_Yvert_PA89-Scott_C88_different_colors

Congo_1970_Yvert_PA89-Scott_C88_pair

Congo_1970_Yvert_PA99-Scott_C99_pair_a

Congo_1970_Yvert_PA99-Scott_C99_pair_b

Congo_1971_Yvert_320-Scott_270_dark-brown

Congo_1971_Yvert_320-Scott_270_five_a

Congo_1971_Yvert_320-Scott_270_five_b

Congo_1971_Yvert_320-Scott_270_pair

Congo_1971_Yvert_321-Scott_271_five_a

Congo_1971_Yvert_321-Scott_271_five_b

Congo_1971_Yvert_321-Scott_271_pair

Congo_1971_Yvert_322-Scott_272_pair

Congo_1971_Yvert_323-Scott_273_five