Mauritania_1963_Yvert_166-Scott_135_five_b

Mauritania_1963_Yvert_166-Scott_135_pair_a

Mauritania_1963_Yvert_166-Scott_135_pair_b

Mauritania_1963_Yvert_171-Scott_140_five_a

Mauritania_1963_Yvert_171-Scott_140_five_b

Mauritania_1963_Yvert_171-Scott_140_pair_a

Mauritania_1963_Yvert_171-Scott_140_pair_b

Mauritania_1963_Yvert_175-Scott_144_five_a

Mauritania_1963_Yvert_175-Scott_144_five_b

Mauritania_1963_Yvert_175-Scott_144_five_c

Mauritania_1963_Yvert_175-Scott_144_five_d

Mauritania_1963_Yvert_PA23-Scott_C19_five

Mauritania_1963_Yvert_PA23-Scott_C19_three

Mauritania_1963_Yvert_PA27-Scott_C23_multicolor

Mauritania_1963_Yvert_PA29-Scott_C25_multicolor

Mauritania_1963_Yvert_PA33-Scott_C27_five_a

Mauritania_1963_Yvert_PA33-Scott_C27_five_b

Mauritania_1963_Yvert_PA33-Scott_C27_five_c

Mauritania_1963_Yvert_PA33-Scott_C27_five_d

Mauritania_1963_Yvert_PA33-Scott_C27_pair_a

Mauritania_1963_Yvert_PA33-Scott_C27_pair_b

Mauritania_1963_Yvert_PA34-Scott_C29_five

Mauritania_1963_Yvert_PA35-Scott_C30_blue

Mauritania_1963_Yvert_PA35-Scott_C30_five

Mauritania_1963_Yvert_PA36-Scott_C31_five_a

Mauritania_1963_Yvert_PA36-Scott_C31_five_b

Mauritania_1963_Yvert_PA36-Scott_C31_red

Mauritania_1964_Yvert_179-Scott_177_different_colors

Mauritania_1964_Yvert_179-Scott_177_five_a

Mauritania_1964_Yvert_179-Scott_177_five_b