Mauritania_1961_Yvert_PA20-Scott_C16

Mauritania_1961_Yvert_PA20-Scott_C16_black_a

Mauritania_1961_Yvert_PA20-Scott_C16_black_a_detail

Mauritania_1961_Yvert_PA20-Scott_C16_black_b

Mauritania_1961_Yvert_PA20-Scott_C16_sepia