Amr bin Zararah bin Waqid عمرو بن زرارة بن واقد الكلابي · The Book of Financial Transactions

"Whoever buys a date-palm tree after it has been pollinated, its fruits belong to the seller, unless the purchaser has stipulated otherwise. And whoever buys a slave who has wealth, his wealth belongs to the seller, unless the purchaser has stipulated otherwise. "(sahih)