1926. Stampless registered official envelope addressed to Bingerville endorsed 'S.O.' cancelled by Grand Lahou/Cote D'lvoire double ring '7th Mars' with Lahou registered label and 'Cote D'lvoire/Administration/Cercl/e de Grand-Lahou' cachet in violet routed via Abidjan ‘9th Mars' with Bingerville arrival '10th Mars' on reverse. Hinge remainders. Rare item of internal mail from this small Ivory Coast town.