埃塞俄比亚

[Airmail - Issue of 1928 Overprinted, 类型 BB1]

[Airmail - Issue of 1928 Overprinted, 类型 BB2]

[Airmail - Issue of 1928 Overprinted, 类型 BB3]

[Airmail - Issue of 1928 Overprinted, 类型 BB4]

[Airmail - Issue of 1928 Overprinted, 类型 BB5]

[Airmail - Issue of 1928 Overprinted, 类型 BB6]

[Airmail - Issue of 1928 Overprinted, 类型 BB7]

[Airmail - Issue of 1928 Overprinted, 类型 BB8]

[Airmail - Issue of 1928 Overprinted, 类型 BB9]