Is the contract valid if the bank instructs the buyer to take possession, such that the buyer receives it directly from the initial seller who sold to the bank?

For the Murabaha to the one who promises to purchase contracts conducted by Islamic banks to be valid, the bank must first acquire ownership of the commodity, and then sell it to the customer at the agreed-upon price. It is permissible for the bank to appoint the customer himself as an agent to purchase the commodity, provided that the sale is not a stratagem for a usurious transaction, and that the bank genuinely purchases the commodity such that it becomes its property and under its responsibility before selling it. It is preferable not to use agency to avoid any suspicion of circumvention.