1850, 25 C. Blue, t_te-b_che pair, on all sides full margins causing from margin of sheet, tied by grid lozenge stamp on cover from La Rochelle 15 Aout 50 to Arras with on the back arrival stamp from 17 August, the t_te-b_che pair is heavily repaired with the help of parts an other stamp, besides was the stamp repainted, photo expertize Scheller (2019) : "Authentique", Michel for letter 30.000.- / lots 11.000.- - also with the strengthened repair still collectible piece of evidence this old-France rarity!