Brezhnev Meets King Mohammed Zahir Shah of Afghanistan in the Kremlin, 1971 Soviet-Afghan Archive Footage
From Brezhnev & King of Afghanistan 1971 Meeting | Kremlin Archive Footage, part of the TVDATA archive. The clip is available to license; packages are on the pricing page, and a restored 4K version can be prepared on request (4K archival footage). Email footage@tvdata.tv with the clip and duration you need.