Musannaf Ibn Abi Shayba 13:12

Abu Bakr narrated to us, he said: Hushaym narrated to us, from Isma'il ibn Salim, from al-Sha'bi, regarding the one who buys something without having looked at it, whoever he may be: He said: He has the choice; if he wishes, he may take it, and if he wishes, he may leave it.