Mauritania_1975_Yvert_PA159-Scott_C154_brown-lilac_detail

Mauritania_1975_Yvert_PA159-Scott_C154_dark-olive-green_a

Mauritania_1975_Yvert_PA159-Scott_C154_dark-olive-green_b

Mauritania_1975_Yvert_PA160-Scott_C155

Mauritania_1975_Yvert_PA160-Scott_C155_black

Mauritania_1975_Yvert_PA160-Scott_C155_violet_a

Mauritania_1975_Yvert_PA160-Scott_C155_violet_a_detail

Mauritania_1975_Yvert_PA160-Scott_C155_violet_b