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Indochina_Tchong-King_1922_Yvert_102a-Scott_unissued_black_overprint_604_violet_503_+_black_608_CP

Indochina_Tchong-King_1922_Yvert_102a-Scott_unissued_red_overprint_412_violet_505_+_black_608_CP

Indochina_Tchong-King_1922_Yvert_105a-Scott_unissued_black_overprint_609_red_406_+_black_608_CP

Indochina_Tchong-King_1922_Yvert_116a-Scott_unissued_black_overprint_604_violet_501_+_black_608_background_2031_CP

Indochina_Tchong-King_1922_Yvert_116a-Scott_unissued_red_overprint_412_violet_501_+_black_608_background_2031_CP