It is narrated from Sa'id bin al-Musayyib, may Allah have mercy on him, that he was asked about leasing land in exchange for gold and silver, so he said: "There is no harm in it."
Hadith Referenceمسند الإمام الشافعي / كتاب البيوع / 1467
Hadith Takhrijاسناده صحیح اخرجه البيهقي: 6 /135 - وفى المعرفة السنن والآثار له (3717) - وعبدالرزاق (14444)، (14462) وابن ابى شيبة (22426)، (22434)۔