Congo_1964_Yvert_168-Scott_116_pair

Congo_1964_Yvert_PA15-Scott_C14_five

Congo_1964_Yvert_PA16-Scott_CB2_different_colors

Congo_1964_Yvert_PA21-24-Scott_C20-23_different_colors

Congo_1964_Yvert_PA24-Scott_C23_five

Congo_1965_Yvert_162-Scott_123_different_colors

Congo_1965_Yvert_162-Scott_123_five_a

Congo_1965_Yvert_162-Scott_123_five_b

Congo_1965_Yvert_166-Scott_125_five

Congo_1965_Yvert_PA28-Scott_C31_different_colors

Congo_1965_Yvert_PA30-Scott_C33_five

Congo_1966_Yvert_190-Scott_143_different_colors

Congo_1966_Yvert_190-Scott_143_five_a

Congo_1966_Yvert_190-Scott_143_five_b

Congo_1966_Yvert_190-Scott_143_five_c

Congo_1966_Yvert_190-Scott_143_five_d

Congo_1966_Yvert_190-Scott_143_five_e

Congo_1966_Yvert_190-Scott_143_five_f

Congo_1966_Yvert_190-Scott_143_five_g

Congo_1966_Yvert_190-Scott_143_five_h

Congo_1966_Yvert_190-Scott_143_full_sheet

Congo_1966_Yvert_190-Scott_143_pair_a

Congo_1966_Yvert_190-Scott_143_pair_b

Congo_1966_Yvert_191-Scott_144_different_colors

Congo_1966_Yvert_192-Scott_145_different_colors

Congo_1966_Yvert_192-Scott_145_five_a

Congo_1966_Yvert_192-Scott_145_five_b

Congo_1966_Yvert_192-Scott_145_five_c

Congo_1966_Yvert_192-Scott_145_pair

Congo_1966_Yvert_193-Scott_146_different_colors